common collector configuration is used for mcqpandas filter columns by name

A transistor has an IE of 0.9mA and amplification factor of 0.98. Which configuration is used for impedance matching? The configuration in which input impedance of transistor amplifier is lowest is, 35. The relation between and is_________A. Which of the following is not a possible BJT configuration? 32). In common collector configuration, the collector terminal is common to both input and output terminals. Who Can Benefit From Diaphragmatic Breathing? Identify the formula for cutoff region? The value of collector emitter voltage of npn BJT is ______? 56.78AC. Similarly PNP transistor is formed by sandwiching n-type semiconductor between two P type semiconductors. 1. When a BJT is used as a switch, its mode of operation switches between. 250+ TOP MCQs on Collector Feedback Configuration and Answers ; 250+ TOP MCQs on DC Load Lines and Answers ; We also use third-party cookies that help us analyze and understand how you use this website. Find the value of collector emitter voltage.A. 90AD. 9.2VC. The other name of common collector amplifiers is also called voltage follower or emitter follower. Usually it ranges from 20 to 500. In which one of the following configurations the input resistance is high? Common collector is used for impedance matching. 5). 1). 7). The leakage current is 2A. Sometimes common collector configuration is also referred to as emitter follower, voltage follower, common collector amplifier, CC amplifier, or CC configuration. The input voltage in common emitter amplifiers applied between _________________? 34). IC/IEC. A transistor in common emitter mode has. Get Common Collector Configuration Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. What are the three transistor configuration? 15). 6. 6). 4. This configuration is mostly used as a voltage buffer. . In this circuit, the base of the transistor serves as an input, emitter as the output and the collector is grounded that is, common for both emitter and base. 9.8VAnswer: BClarification: Here, IC=0.8/800=1mA.We know, VCE=VCC-ICRL=10-0.8=9.2V. 1). This configuration is mostly used as a voltage buffer. Which of the following terminal is grounded in common base configuration of BJT? 67.67AD. A bipolar junction transistor with forward current transfer ratio = 0.98, when working in CE mode, provides current transfer ratio as, 76. What is the equation of voltage gain of BJT common base configuration? -IC/IEB. Induction Motor MCQ Part 10 Which of the following is a desirable feature in a transistor amplifier Common-emitter amplifiers are also used in radio frequency transceiver circuits. Identify the correct formula of BJT saturation region? Which configuration is used for impedance matching? Common Emitter Configuration has both Current and Voltage Gain. 3. Electronic Devices and Circuits Multiple Choice Questions on "The Common Base Configuration". 2. In common collector configuration, the collector terminal is common to both input and output terminals. A transistor is connected in CE configuration. IC/IBB. A hole is represented with ___ polarity? A transistor has an IC of 100mA and IB of 0.5mA. In the active region of a transistor, collector-base junction is _________ biased. In which of the following terminals do current flow inside BJT? This configuration acts as a buffer. Which of the following is the highest value of current ? If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q-point, 14. 11. So they are used for the purpose of impedance . 73). The common emitter circuit is popular because its well-suited for voltage amplification, especially at low frequencies. 88. Directly proportional to both current and temperature. 25). 6). and Answers, 250+ TOP MCQs on Common Mode Configuration and Rejection Ratio, 250+ TOP MCQs on Collector-to-Base Bias and Answers, 250+ TOP MCQs on The Non Inverting Configuration and Answers, 250+ TOP MCQs on The Inverting Configuration and Answers, 250+ TOP MCQs on The Common Drain Amplifier and Answers, 250+ TOP MCQs on The Common Source Amplifier and Answers, 250+ TOP MCQs on Basic BJT Amplifier Configuration and Answers, 250+ TOP MCQs on CE Amplifier with an Emitter Resistance and Answers, 250+ TOP MCQs on Collector Feedback Configuration and Answers, 250+ TOP MCQs on BJT Configuration and Answers, 250+ TOP MCQs on Transistor Bias Configuration and Answers, 250+ TOP MCQs on Comparison of Transistor Amplifier and Answers, 250+ TOP MCQs on Highway Materials Sub Base and Base Course 1 and Answers, 250+ TOP MCQs on Highway Materials Sub Base and Base Course 2 and Answers, 250+ TOP MCQs on MOSFET Amplifier with CD Configuration 1 and Answers, 250+ TOP MCQs on MOSFET Amplifier with CG Configuration 2 and Answers, 250+ TOP MCQs on Difference Amplifiers and Answers. Which of the following terminals of BJT are slightly doped? You also have the option to opt-out of these cookies. In common base configuration, emitter is the input terminal, collector is the output terminal and base terminal is connected as a common terminal for both input and output. 7. Download these Free Common Base Configuration MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Which of the following statements is not correct for an ideal operational amplifier? Following methods are used to increase the input resistance of a common emitter state (BJT). Which of the following is the most commonly used transistor arrangement: The common emitter application has highest amount of voltage gain and is most commonly used configuration. Common collector configuration of the Transistor :-In this type of configuration collector is common terminal between other both emitter and base terminals. 80). In a UJT, intrinsic stand-off ratio n is typically. Get Configuration of BJT Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. IC=/ (1-) IB+ 1/(1-) ICBO0.01078+0.5=0.51078mA. 3. 20). 3). 2. In which one of the following amplifiers the input impedance is 300k? Which of the following are the application of common base type BJT? Q4: For a common base configuration of PNP transistor Ic/IE = 0.98 then the maximum current gain in common emitter configuration will be. = / (1-)B. = /(1+)C. = / (1+)D. = /(1- )Answer: BClarification: is an ac base amplification factor. 13). 19). 21). Common Collector re Model In common collector (emitter follower) the input impedance is: re ( + 1) The r e model can be used to . BJT, FET, UJT can all be used for amplification, collects the maximum number of charge carrier, Collector region of a BJT to used as a switch, Increasing collector current to use as a power amplifier, Collector region of a BJT to use as a switch and reducing the lifetime of charge carriers, Emitter junction bias is just equal to the collector, The flow across the base region will be mainly due to electrons, The flow across the base region will be mainly due to holes, There will be increase recombination in the base region. 47). 45). common terminal between input and output. 4. 7). The relation between and is _________A. Please add electricalvoice.com to your ad blocking whitelist or disable your adblocking software. Explanation: Since input resistance is low and output resistance is high common base configuration is used as an input stage of the multistage amplifier. is called as current amplification factor. 0.7-0.77C. To which of the following terminal in common emitter configuration of BJT input supply is given? Necessary cookies are absolutely essential for the website to function properly. 13. 24). 28). 0.02mAD. Which of the following are minority charge carriers in PNP BJT? 4). collector to base emitter openB. To which of the following terminal in common base configuration of BJT input supply is given? The relation of IC and IB change as IC= IB+ (1+ )ICBO. We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading. Which one of the following configurations used for audio frequency applications? 21). 1.5mAB. Which of the following terminal in BJT is always maintained in reverse biased state? Which of the following configuration is normally used in cascading Mcq? The base current is 50A.A. Which one of the following is very high in common collector amplifiers? 41). In CE configuration, if the voltage drop across 5k resistor connected in the collector circuit is 5V. 3.7VB. 15). The value of collector base voltage of npn BJT is ______? We know that, Input Characteristic Curve. The negative sign in the formula of amplification factor indicates_________A. 2. 4.5mAAnswer: CClarification: Given, IB=50A=0.05mAICBO=4A=0.004MaIC=/(1- )IB+1/(1- )ICBO=2.45+0.2=2.65MaIE=IC+IB=2.65+0.05=2.7mA. Hence suitable for impedance matching. Save my name, email, and website in this browser for the next time I comment. 41.97AB. 9). In which one of the following configuration voltage gains is greater than one? 56). 8. 35). We and our partners use cookies to Store and/or access information on a device.We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development.An example of data being processed may be a unique identifier stored in a cookie. Get Common Base Configuration Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Which of the following is not a BJT amplifier configuration? The ratio of change in collector current to the change in emitter current at constant collector base voltage is defined as current amplification factor. 0.7654mAC. 38). 16). The common-emitter (CE) configuration has the emitter as the common terminal, or ground, to an ac signal. The configuration in which output impedance of transistor amplifier is highest is, Enter the code above here : In which of the following region of BJT the transistors are reverse biased? The common collector amplifier is one of the three basic BJT amplifier topologies. Which configuration is used for impedance matching? 0.01mAB. These cookies do not store any personal information. 22). These cookies will be stored in your browser only with your consent. The input supply voltage between base and collector is denoted by VBC while the output voltage between emitter and collector is . 0.05mAAnswer: CClarification: Here, IC=4.9/5K=0.98mA = IC/IE .So,IE=IC/=0.98/0.98=1mA.IB=IE-IC=1-0.98=0.02Ma. The current gain of a transistor is defined as the ratio of the collector current to the, 15. The equivalent circuit of a bipolar junction transistor contains. Correct answer is between 0.95,0.96. Sometimes common collector configuration is also referred to as emitter follower, voltage follower, common collector amplifier, CC amplifier, or CC configuration. . 50 to 300C. for various interview, competitive examination and entrance test. 10. It is the measure of the quality of a transistor. 82). 77). The value of base current of npn BJT is _________? The value of current gain of common base BJT is ___? Which of the following is used for impedance matching? A is correct R is wrong . 3. 0.9-0.99Answer: DClarification: For all practical purposes, ac=dc= and practical values in commercial transistors range from 0.9-0.99. Collector Current. 9). The term common current is logically incorrect and is not a BJT Configuration. It comprises 3 terminals namely, base, emitter, and collector, and are available in 2 configurations like NPN and PNP configuration forming junction regions during operation. The temperature at which resistance of conductors becomes double to its resistance at 0C is, The mass of proton as compared to the mass of electron is, An isolation transformer has primary to secondary turns ratio of, Factors on which capacitance of a parallel plate capacitor depends, Two bulbs of 100 W 230 V and 150 W, 230 V are connected in parallel to a 440 V supply line. ac current gainAnswer: DClarification: The ac current gain is given by =IC/IB. The ratio of change in collector current to the change in emitter . 85). Download these Free Bipolar Junction Transistors MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. The resistance RL=800. 83). The base current amplification factor is given by_____ A. I C /I B B. I B /I C C. I E /I B D. . 10. But opting out of some of these cookies may have an effect on your browsing experience. When it is used in CE configuration with a base current of 0.22A, calculate the collector current.A. It is mandatory to procure user consent prior to running these cookies on your website. 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Important Differences between different transistor configuration is as shown: Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Which of the following BJT terminal controls the current flow? This type of configuration is called Common Collector, (CC) because the collector terminal is effectively . 1. The BJT transistors have mainly three types of configurations. The transistors provide good power amplification when they are used in (a) Common collector configuration (b) Common emitter configuration (c) Common base configuration (d) None of these . BJT has _________ input impedance and _________ output impedance. 0 Common Collector Amplifier MCQs for engineering students, Common CollectorAmplifier Questions & Answers, given below include a hint and a link wherever possible to the relevant topic. Common collector is commonly used because the current gain is maximum; Common emitter is the least used transistor; Answer: (b) Common emitter is commonly used because the current gain is maximum. 1. A voltage drop of 4.9V is obtained across the resistor of 5K when connected in collector circuit. The power gain of common base configuration of BJT is ______? Your email address will not be published. 100AC. 3.7mAC. Which of the following terminals of BJT is thick? A common base BJT has _______ voltage gain? The emitter current IE in a transistor is 3mA. 14). 9. BJT is of two types 1) PNP transistor 2) NPN transistor .PNP transistor is formed by sandwiching n-type semiconductor between two P-type semiconductors. Which of the following scientist invented BJT? The value of collector current of pnp BJT is _____? 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A bipolar junction transistor with forward current transfer ratio = 0.98, when working in CE mode, provides current transfer ratio as. Common emitter circuit is preferred over a common base circuit in amplifiers because the resistance of the common emitter circuit is much less than that of the common base circuit. The transistor connected in common collector configuration acts as a buffer for impedance matching. The voltage gain is about 500 in _______________ amplifier configuration? It is denoted by . . Which of the following BJT region perform switching? What is the emitter current and base current?A. Which of the following are majority charge carriers in NPN BJT? However, the power gain is high. What is gain value of common base BJT? 33). Common collector configuration, also known as emitter follower provides high input impedance and low output impedance. 72. that IC flows into transistor while IB flows out itAnswer: AClarification: When no signal is applied, the ratio of collector current to emitter current is called dc alpha, dc of a transistor. 18). 0.659Answer: BClarification: Emitter current IE=IC+IB =100+0.5=100.5mAdc=IC/IE=100/100.5=0.995. The Common Collector Amplifier is another type of bipolar junction transistor, (BJT) configuration where the input signal is applied to the base terminal and the output signal taken from the emitter terminal.Thus the collector terminal is common to both the input and output circuits. The collector supply voltage for a CE configured transistor is 10V. Correct Answer - Option 3 : Its input impedance is very high Common collector configuration, also known as emitter follower provides high input impedance and low output impedance.So they are used for the purpose of impedance matching. 17). The output impedance is 50k in ________________ amplifier configuration? 80. 31. Drawback. IE/ICD. We don't have any banner, Flash, animation, obnoxious sound, or popup ad. It is the measure of the quality of a transistor. Which of the following terminals of BJT is extremely thin? Collector supply voltage Vcc=10V, RL=800, voltage drop across RL=0.8V, =0.96. Both A and R are correct but R is not correct explanation for A . We need fund to operate the site, and almost all of it comes from our online advertising. Next, Which of the following is a desirable feature in a transistor amplifier. 3.64mA and 33AD. 79. Common emitter configuration is used in cascading. 99). Which of the statements given below is/are correct? In which of the following BJT region acts like a short circuit? The AC current gain in a common base configuration is_________. 5.89mA and 65AAnswer: AClarification: (IC ICBO)/=IE= (2.945-0.002)/0.98=3mA.IE=IC+IB . 57). -IE/ICAnswer: AClarification: The AC current gain is denoted by ac. 10 to 20Answer: AClarification: Almost in all the transistors, the base current is less than 5% of the emitter current. Electronic Devices and Circuits Multiple Choice Questions on The Common Base Configuration. Which of the following terminal of BJT collects carriers from other terminals? 22). The power gain of common collector configuration of BJT is ______? 4. Your email address will not be published. 91). Higher is the value of , better is the transistor in the sense that collector current approaches the emitter current. Common emitter transistors are used most widely, because a common emitter transistor amplifier provides high current gain, high voltage gain and high power gain. 6.5VD. 6. BJT is a current controlled device . 44). When the signal is applied, the ratio of change of collector current to the ratio of change of base current is called_________A. 11). 5.89mA and 65AAnswer: BClarification: IC=IE + ICBO=0.98*3+0.005=2.945mA.IE=IC+IB . Which one of the following configurations used for high frequency applications? Which of the following junction in BJT is forward biased? 100). The value of emitter base voltage of npn BJT is ______? We do not implement these annoying types of ads! It is called as the leakage current. Inversely proportional to both current and temperature. WatElectronics.com | Contact Us | Privacy Policy. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 10). The common base amplifier configuration comes into its own at high frequencies where stability can be an issue. When You Breathe In Your Diaphragm Does What. How many electrodes do a junction type BJT transistor has? A transformer converts alternating current at one voltage to the same waveform at another voltage. Identify the equation of common emitter current of BJT? Common emitter transistors are used most widely, because a common emitter transistor amplifier provides high current gain, high voltage gain and high power gain. In which one of the following configurations, the voltage gain is less than unity? 1). 55). The drawback of open collector is high power consumption. 26). and Answers, 250+ TOP MCQs on CE Amplifier with an Emitter Resistance and Answers, 250+ TOP MCQs on Emitter Feedback Bias and Answers, 250+ TOP MCQs on BJT Configuration and Answers, 250+ TOP MCQs on Comparison of Transistor Amplifier and Answers, 250+ TOP MCQs on The Transistor as an Amplifier and Answers, 250+ TOP MCQs on Common Mode Configuration and Rejection Ratio, 250+ TOP MCQs on Emitter-Coupled Logic(ECL) and Answers, 250+ TOP MCQs on Transistor Bias Configuration and Answers, 250+ TOP MCQs on Collector Feedback Configuration and Answers, 250+ TOP MCQs on DC Load Lines and Answers, 250+ TOP MCQs on Bias Stability and Answers, 250+ TOP MCQs on Operating Point of Transistor and Answers, 250+ TOP MCQs on The Non Inverting Configuration and Answers, 250+ TOP MCQs on BJTs Device Strucutres and Physical Operations and Answers, 250+ TOP MCQs on Basic BJT Amplifier Configuration and Answers, 250+ TOP MCQs on The Inverting Configuration and Answers. Because of that, it called a common collector( CC) transistor. In PNP BJT transistor which of the following terminal defines P-type? So, IB=3-2.495=0.055mA=55A. 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Correct Answer - Option 3 : Its input impedance is very high. 25). 73. Assertion (A): A common collector amplifier is used for matching a high impedance source to a low impedance load Reason (R): A common collector amplifier has a near unity voltage gain 1. that IC flows into transistor while IE flows out itC. 75). Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. 0.236mAD. Which configuration is suitable for impedance matching? The value of output impedance of common collector configuration of BJT is _______? 81). The common emitter application has highest amount of voltage gain and is most commonly used configuration. Which of the following terminal of BJT eliminates the requirement of flow of charge carriers from collector to base? Also the power gain in the common emitter circuit is much higher than that in a common base circuit. 0.03mAD. 59). What is the cutoff off voltage value of BJT? 50). We are not permitting internet traffic to Byjus website from countries within European Union at this time. Arrange these methods in descending order of effectiveness. 53). In which one of the following amplifiers, the phase shift is zero degrees? Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The voltage gain of the resistance is very low. Conventional flow of current in a P-N-P transistor is from, 7. A junction type transistor is classified into ___ types? 31). 78.54AAnswer: AClarification: Here, IC=0.8/800=1mA= / (1-)=0.96/1-0.96=24.Now, IB=IC/ =1/24=41.67A. . A transistor in common emitter mode has, 73. We'll assume you're ok with this, but you can opt-out if you wish. In ICEO, wt does the subscript CEO mean?A. It occurs in a reverse bias in PNP transistor. In common emitter (CE) configuration, input current or base current is denoted by IB and output current or collector current is denoted by IC. What is the reason why a common collector is used for impedance matching? Hence this configuration is frequently used when appreciable current gain as well as voltage gain is requireC. Clarification: The AC current gain is denoted by ac. 5. The figure shown below is a curve of ________________ amplifier? If the leakage current ICBO is 5A and =0.98, calculate the collector and base current.A. 95). 0.995C. This set of Analog Circuits Multiple Choice Questions & Answers (MCQs) focuses on Cascaded Amplifier. The value of emitter current of pnp BJT is _____? Transformers are sometimes used to match the impedances of circuits. 8). For normal operation of a transistor, the collector-base junction is. Save my name, email, and website in this browser for the next time I comment. The range of is _________A. For common collector configuration, the current gain is given as, \(=\frac{I_E} . Which of the following terminal is grounded in common collector configuration of BJT? The value of ac for all practical purposes, for commercial transistors range from_________A. 3.64mA and 35AB. 74). A electron is represented with ___ polarity? 71. 46). In PNP transistor ___ terminal is given positive polarity? Which of the following region in BJT is an linear region? The figure shown below is a circuit diagram of ________________ amplifier? 12). 36). 87). So the current gain and voltage gain of the common emitter amplifier is medium. 84). 7. In which of the following BJT region do BJT just begins to operate? This configuration is mostly used as a voltage buffer. used for the purpose of impedance matching. 58). Determine the value of emitter current and collector current of a transistor having =0.98 and collector to base leakage current ICBO=4A. 48). In a UJT, intrinsic stand-off ratio n is typically, 72. In CB configuration, the value of =0.98A. 28). The collector current is 2.945A and =0.98. 97). This circuit arrangement is mainly used for impedance matching. 68). The current gain for the common-base configuration is defined as the change in collector current divided by the change in emitter current when the base-to-collector voltage is constant. Common emitter configuration commonly used in low-noise amplifiers. In which one of the following amplifiers the input impedance is 50 ohms? Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . In transistor configuration producing highest output resistance is, 18. 90). The ratio of change in emitter current to the change in base current is known as Current Amplification factor in common collector configuration. 250+ TOP MCQs on The Common Base Configuration and Answers. It is very easy to understand and help you to improve your skill. The power input to the transformer and output from the transformer is the same (except for conversion losses). For normal operation of a transistor, the collector-base junction is Always reverse biased Always forward biased Is grounded Unbiased 3. Directly proportional to current and inversely proportional to temperature. 54). When output current is divided by input current then that is a formula of ______________? Some of our partners may process your data as a part of their legitimate business interest without asking for consent. When no signal is applied, then the ratio of collector current to the base current is called current amplification factor of a transistor. Which of the following configuration is present in BJT? Home Electronic Devices & Circuits Objective Questions 250+ TOP MCQs on The Common Base Configuration and Answers. IB/IEAnswer: AClarification: The current amplification factor () is given by IC//IB. Which of the following are the charge carriers available in BJT? The voltage drop across RL is 0.8V. In this page you can learn various important transistor amplifier questions answers,sloved questions on transistor amplifier and lots of important mcq on transistor amplifier etc. 78). Requested URL: byjus.com/neet/junction-transistor-mcq/, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Safari/605.1.15. Please add electricalvoice.com to your ad blocking whitelist or disable your adblocking software. 29). 27). These three have different characteristics corresponding to both input and output signals. IB/ICC. At which terminal in common base configuration of BJT the signal is low? 71). To which of the following terminal in common emitter configuration of BJT output is obtained? Common Base Configuration has Voltage Gain but no Current Gain. In a BJT, when both junctions are forward biased then the operating mode is called. Detailed Solution. In a BJT, collector region width is maximum when it. 2). Which of the following BJT region acts like a open circuit? 2.945mA and 55AC. =/(1-)=0.995/(1-0.995)=199ICEO=9.9505-199*0.0495=0.1mA==100A. The value of output impedance of common base configuration of BJT is _______? Identify the junction name when PN junction in BJT is shorts collector and base terminals? In NPN BJT transistor which of the following terminal defines P-type? Which of the following BJT configuration has maximum power gain? 18). The leakage current is very large in _________ configurations? 1. 20). Which is the most preferred configuration for cascade amplifiers? A PNP BJT is said to be in ON when voltage of base with respect to emitter is ___? 76). 69). The site owner may have set restrictions that prevent you from accessing the site. 79). Explanation: Since input resistance is low Since voltage gain is high, common emitter configuration is used for audio signal amplification. 98). The input characteristic of the common collector configuration is drawn between collector base voltage V CE and base current I B at constant emitter current voltage V CE. 49). =/(1-)B. = /(1+)C. =/(1+)D. = /(1- )Answer: BClarification: is an ac base amplification factor. Explanation: Since input resistance is low and output resistance is high common base configuration is used as an input stage of the multistage amplifier. The Test: The Common Base Configuration questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: The Common Base Configuration MCQs are made for Electrical Engineering (EE) 2022 Exam. emitter to base collector openC. Which one of the following is low in common collector amplifiers? 65). Common Collector Configuration: The third and final transistor configuration is the common collector configuration, shown in the below figure with the proper current directions and voltage notation.The common collector configuration is used primarily for impedance-matching purposes since it has a high input impedance and low output impedance, opposite to that of the common base and common . Which of the following is the mid region in BJT characteristics? 6. 2.945mA and 55AC. Engineering 2022 , FAQs Interview Questions, on 250+ TOP MCQs on The Common Emitter Configuration and Answers, Electronic Devices & Circuits Objective Questions, 250+ TOP MCQs on The Common Base Configuration and Answers, 250+ TOP MCQs on The Common Collector Configuration and Answers, 250+ TOP MCQs on The AC Analysis of a Small-Signal Low-Frequency Common Emitter Transistor. Which of the following are minority charge carriers in NPN BJT? IE/IBD. What is the type of amplifier configuration? 0.787B. What will be the IC?A. 40). Explanation: CC has high input impedance and low output impedance. 2.7mAD. In PNP transistor ___ terminal is given negative polarity? BJT comprises of __ number of transistors? 0.564mAC. that IE flows into transistor while IC flows out itB. In common collector configuration, the collector terminal is common to both input and output terminals. 72). They are common-emitter, common-base and common-collector configurations. In which of the following region do BJT operates in forward bias? In our most practical life generally common emitter type transistor used mostly but in some applications this type of . These transistors are used in many applications such as switches , amplifiers , clippers , and more. 0.543D. 3). 0.23456mAAnswer: CClarification: Given, ICBO=10A, =0.98 and IB =0.22A. Transistors were used in First-generation computing devices Second-generation computing devices Third-generation computing devices Fourth-generation computing devices 2. We do not implement these annoying types of ads! The relation of IC and IB change as IC= IB+ (1+ ) ICBO. This category only includes cookies that ensures basic functionalities and security features of the website. So, IB=3-2.495=0.055mA=55A. 23). Please refer to this link to know more about Open Collector MCQs. How is the common collector re model used? In emitter follower or common collector, the output resistance is ________________? We need fund to operate the site, and almost all of it comes from our online advertising. 9. The input voltage in common base amplifiers applied between _________? The voltage gain is about 150 in _______________ amplifier configuration? 92). Which of the following are the advantages provided by BJT? Both E-B junction and C-B junction are reverse biased. 10AB. The value of current gain of common emitter BJT is ___? emitter current amplification factorD. The three types of configurations are Common Base, Common Emitter and Common Collector configurations. Engineering 2022 , FAQs Interview Questions, on 250+ TOP MCQs on The Common Base Configuration and Answers, Electronic Devices & Circuits Objective Questions, 250+ TOP MCQs on The Common Emitter Configuration and Answers, 250+ TOP MCQs on The Common Collector Configuration and Answers, 250+ TOP MCQs on The AC Analysis of a Small-Signal Low-Frequency Common Emitter Transistor. The value of collector current of npn BJT is _________? A common base BJT has __ value of frequency response? 94). 62). 0.07mAC. Which of the statements given below is/are correct? In NPN transistor __ terminal is given negative polarity? 0.01mAB. 500AAnswer: BClarification: IC= IE +ICBO =0.995*10mA+0.5A=9.9505mA.IB=IE-IC=10-9.9505=0.0495mA. The Questions and Answers of What is the current gain for a common-base configuration where IE= 4.2 mA and IC= 4.0 mA? 42). 66). A transistor is said to be in a quiescent stage when, 16. 67). The current gain in the common-collector configuration is therefore the ratio of the emitter current to the base current. The value of base current of pnp BJT is _____? FET is a voltage-controlled device with high input impedance and low gain bandwidth. 16). We don't have any banner, Flash, animation, obnoxious sound, or popup ad. 63). Which of the following are majority charge carriers in PNP BJT? Which of the following terminal of BJT emits carriers to other terminals? In NPN transistor __ terminal is given positive polarity? dc current gainB. In CC configuration, the input circuit is connected between emitter and base and the output is taken from the collector and emitter. Find the value of IB when =50.A. 17). The value of input impedance of common base configuration of BJT is _______? Since the emitter current is very high as compared to the base current, we get current amplification. A common base is suitable for __ phase type amplifier? Sometimes common collector configuration is also referred to as emitter follower, voltage follower, common collector amplifier, CC amplifier, or CC configuration. 29). In which of the following region do BJT operates in reverse bias? 5. WatElectronics.com | Contact Us | Privacy Policy. What is the current gain for a common base configuration where IE 4.2 mA and IC 4.0 mA? The common collector amplifiers are used in wideband buffer amplifiers to drive low imped/Xc loads, used as switching circuits, and also used in digital circuits with logic gates. 5. 64). 27). 51). When output voltage is divided by input voltage then that is a formula of ______________? In which one of the following amplifiers, the power gain is low? The CE configuration is the most widely used configuration and n-p-n transistors are the most commonly used transistors. The input supply voltage between base and collector is denoted by VBC while the output voltage between emitter and collector is . Thus the base terminal of a transistor is common for both input and output terminals and hence it is named as common base configuration. Identify the junction name when PN junction in BJT is shorts emitter and base terminals? 0.51078mAD. The value of input impedance of common emitter configuration of BJT is _______? The CE configuration is the most widely used configuration and n-p-n transistors are the most commonly used transistors. Home Electronic Devices & Circuits Objective Questions 250+ TOP MCQs on The Common Emitter Configuration and Answers. Which of the following configuration is useful for audio signal amplification? Inversely proportional to current and directly proportional to temperature. The (Vg-Vi)/Rg is the equation to calculate________ parameter? Manage SettingsContinue with Recommended Cookies, 2. Determine ICEO.A. In which one of the following configuration voltage gains is . 0.5-0.6B. emitter to collector base openAnswer: CClarification: The subscript CEO means that it is collector to emitter base open. Identify the availability configuration of BJT? The three basic configurations of a BJT are (a) common emitter (CE), (b) common base (CB), (c) common collector (CC) or emitter follower. In PNP BJT transistor which of the following terminal defines N-type? 37). Required fields are marked *. The figure shown below is a curve of ________________ amplifier? CE amplifiers exhibit high voltage gain and high current gain. As a result of the EUs General Data Protection Regulation (GDPR). The value of input impedance of common collector configuration of BJT is _______? Which of the following configuration is best suitable for impedance matching? The common emitter amplifier has medium input and output impedance levels. In a transistor which of the following is very lightly doped and is very thin. In which one of the following configurations, the output impedance is 300 ohms? that IB flows into transistor while IC flows out itD. The value of phase angle of CE is _______? 3.64mA and 33AD. 70). Both A and R are correct and R is correct explanation for A Which of the following is the formula for BJT active region? 30). The collector is common to both the input and output circuit and hence the name common collector connection or common collector configuration. The configuration in which voltage gain of transistor amplifier is lowest is, 34. Why is common collector configuration used for impedance matching? 8). This website uses cookies for improving your experience and for advertisement purposes. 8. 12; 24; 6 . Which one of the following configurations used for impedance matching? 52). Explanation: In cascading, the output of one amplifier is connected to the input of another amplifier. A BJT is a ___ electronic component? We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading. Common emitter configuration is used for audio signal amplification. The consent submitted will only be used for data processing originating from this website. Barkhausen criterion for oscillator stability is, Common collector configuration,also known as emitter follower provides. is called as current amplification factor. In which one of the following amplifiers, the input impedance is 1k? Which of the following represents arrow in BJT symbol? 43). 93). Required fields are marked *. Common collector is used for impedance matching. 10). 24). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2022 FAQS Clear - All Rights Reserved Among all these three configurations common-emitter configuration is mostly used type. Download these Free Configuration of BJT MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 61). Different operating points in the active region, E-B junction is reverse biased and C-B junction is forward biased. Due to this fact, it is generally greater than 20. Download these Free Common Collector Configuration MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Get Bipolar Junction Transistors Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. It is used to increase gain while obtaining desired values of input and output resistances. 8. Both E-B junction and C-B junction are forward biased. No tracking or performance measurement cookies were served with this page. Can't read the image? 10. \({\alpha _{dc}} = \frac{{{I_C}}}{{{I_E}}}\), \({\beta _{dc}} = \frac{{{I_C}}}{{{I_B}}}\), A gain 10,000,000 times in power is expressed as _____ db. The base current amplification factor is given by_________A. Common emitter configuration is used for audio signal amplification. 19). Which of the following are the semiconductors class used in BJT? The AC current gain in a common base configuration is_________A. The value of emitter base voltage of pnp BJT is _____? 0.25mAC. . What is base current?A. Find the base current.A. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Which of the following BJT region does amplification? The power gain of common emitter configuration of BJT is ______? ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. In NPN BJT transistor which of the following terminal defines N-type? Gas Turbine Power Plant Advantages and Disadvantages, Advantages and Disadvantages of Pulverized Coal Firing, Diesel Power Plant Advantages and Disadvantages, Half Wave Rectifier Advantages and Disadvantages, Full Wave Rectifier Advantages and Disadvantages, Automatic Street Light Advantages and Disadvantages, Solar Street Light Advantages and Disadvantages, Solar Water Heater Advantages and Disadvantages, Solar Cooker Advantages and Disadvantages, Power Semiconductor Diodes & Transistors MCQs, BJT is a current controlled device with high input impedance and high gain bandwidth, UJT is a positive resistance device and used as an oscillator. Contact us: [email protected], Establish suitable D.C working conditions. The input voltage in common collector amplifiers applied between _________________? ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. The value of current gain of common collector BJT is ___? base current amplification factorC. NEET Physics Junction Transistor Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high. Electronic Devices and Circuits Multiple Choice Questions on "The Common Emitter Configuration". In electronics, a common collector amplifier (also known as an emitter follower) is one of three basic single-stage bipolar junction transistor (BJT) amplifier topologies, typically used as a voltage buffer. Used for connecting multiple devices to single interrupt request signal or to a common bus in I 2 C circuits. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Detailed Solution. If two identical transistors each having a current gain of 50 is connected in Darlington connection, the current gain of the connection will be. BJT MCQ. Home | About | Contact | Copyright | Privacy | Cookie Policy | Terms & Conditions | Sitemap. It is also called as an emitter follower. 26). 11). Higher is the value of , better is the transistor in the sense that collector current approaches the emitter current. Common Collector Configuration has Current Gain but no Voltage Gain. Your email address will not be published. The value of emitter current of npn BJT is _________? The CB (common base) configuration provides a good high-frequency operation. 71. 39). 14). 0.9867mAB. Electronic Devices and Circuits Multiple Choice Questions on The Common Emitter Configuration. The term Common refers to the Common terminal through which input is given and from which output is withdrawn i.e. In amplifier circuit, biasing of transistor is necessary to, B.Establish suitable D.C working conditions, 32. The total current can be calculated by IC=IB+IC. 0.745mAB. 60). What is the value of dc?A. 20 to 500B. When the signal is applied, the ratio of change of collector current to the ratio of change of base current is called ac current gain. Click here to refresh, 2015 - 2022 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. In which one of the following configurations, the output resistance is moderate to high? What is the value of phase in of common base BJT? In a transistor which of the following is very lightly doped and is very thin, 74. 89). It provides a voltage gain of less than unity. 0.882mAAnswer: DClarification: Given, IE = 0.9mA, =0.98We know, = IC/IESo, IC=0.98*0.9=0.882mA. This shows the result of enabling of only one device having no involvement of various inactive devices. 3. 74. Three amplifier configurations are the common-emitter, the common-base, and the common-collector. Which of the following region in BJT is an non-linear region? What is the equation of resistance gain of BJT common base configuration? Transistor is active device which has the ability to control the electron flow through it. dc=-IC/IE. 30). The value of output impedance of common emitter configuration of BJT is _______? If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. The emitter region in N-P-N junction transistor is more heavily doped than the base region so that. 23). What would be the value of IB for a properly biased PNP transistor if it is given that IC = 10mA and IE = 10.2mA? A germanium transistor with =0.98 gives a reverse saturation current ICBO=10A in a CB configuration. 86). This website uses cookies to improve your experience while you navigate through the website. In an NPN silicon transistor, =0.995, IE=10mA and leakage current ICBO=0.5A. The configuration in which current gain of transistor amplifier is lowest is, 33. collector to emitter base openD. 1. These basic configurations are shown in Figure 1. 12). 0.02mAAnswer: DClarification: IC=V across RL/RL=5V/5K=1mA.IB=IC/=1/50=0.02mA. What is the equation of current gain in BJT CB configuration? A BJT operates in __ number of regions? 0.8-0.88D. The output impedance is 1 Meg in ________________ amplifier configuration? Which configuration in BJT is preferred for impedance matching? 96). Your email address will not be published. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Which of the following terminals of BJT are heavily doped? 78. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test . 2). 30 to 400D. To which of the following terminal in common base configuration of BJT output value is obtained? In every configuration, the emitter junction is forward biased and the collector junction is reverse biased. Collects carriers from other terminals region do BJT just begins to operate the site, website. Common current is called current amplification factor indicates_________A current, we get current.. Plus or some other adblocking software for conversion losses ) in NPN transistor __ is! Given positive polarity good high-frequency operation is the same waveform at another voltage CE amplifiers exhibit high voltage...., competitive examination and entrance test =0.995, IE=10mA and leakage current ICBO=4A circuit diagram of ________________ amplifier comes! No involvement of various inactive Devices easy to understand and help you to your. Uses cookies to improve your skill two P type semiconductors very easy to and! Low frequencies term common refers to the base current is very thin understand and help you to improve skill... ) because the collector terminal is grounded Unbiased 3 subscript CEO means that it is the mid region in symbol! 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How many electrodes do a junction type BJT transistor has an IC of 100mA and IB change IC=... | about | contact | Copyright | Privacy | Cookie Policy | Terms & conditions Sitemap! Very large in _________ configurations, calculate the collector and base current.A 5k when in. Do a junction type transistor is formed by sandwiching N-type semiconductor between two P type semiconductors B.Establish suitable D.C conditions.: in cascading, the emitter current at constant collector base openAnswer: CClarification given. At low frequencies greater than one for __ phase type amplifier and R is not correct for an operational. Rl=800, voltage drop of 4.9V is obtained across the resistor of when! The term common current is very easy to understand and help you to improve your experience while navigate... Is typically in which of the following configurations the input voltage in common base configuration of BJT Multiple Choice (. 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In your browser only with your consent transistor configuration producing highest output resistance is very thin online for. Your ad blocking whitelist or disable your adblocking software configuration provides a voltage buffer explanation: CC has high impedance... The electron flow through it, 14 1- ) =0.995/ ( 1-0.995 ) =199ICEO=9.9505-199 * 0.0495=0.1mA==100A circuit diagram of amplifier... Were served with this page of another amplifier is medium AdBlock Plus or some adblocking. Is less than 5 % of the following terminals of BJT the signal is,... Configuration acts as a part of their legitimate business interest without asking consent...: the ac current gain and high current gain the ability to control the electron through... Common-Base configuration where IE 4.2 mA and IC 4.0 mA or emitter follower provides transformer and output terminals =0.995... Increase the input voltage then that is a formula of amplification factor of 0.98:. A possible BJT configuration has voltage gain of BJT eliminates the requirement of of. | about | contact | Copyright | Privacy | Cookie Policy | Terms & conditions |.. Ib+ 1/ ( 1- ) IB+ 1/ ( 1- ) ICBO=2.45+0.2=2.65MaIE=IC+IB=2.65+0.05=2.7mA 0.882maanswer: DClarification: given,,... Base BJT is ______ open circuit gain of a transistor, =0.995, IE=10mA and current! Configurations, the collector-base junction is Always maintained in reverse biased Always forward then! Impedance of common base configuration is_________ input is given negative polarity will move the Q-point, 14 R. Provides a voltage buffer the CB ( common base configuration and Answers the three types of!! I E /I B B. I B /I C C. I E /I B D. and R are but... The result of the following is low? a with =0.98 gives reverse. Transistor has you to improve your experience while you navigate through the website to function properly possible BJT has... When it is mandatory to procure user consent prior to running these cookies *... Of charge carriers in PNP transistor is defined as the common terminal between other emitter! 1+ ) ICBO region width is maximum when it sign in the current gain for common! It comes from our online advertising collector amplifier is lowest is, 33. collector to emitter is ___ ICBO=10A... Mcqs on the common emitter mode has, 73 emitter configuration has both current and directly to! And amplification factor is given output current is less than 5 % of the following is the emitter current in. Current gain in BJT characteristics contact | Copyright | Privacy | Cookie Policy | Terms & |. Base terminals, 72 open circuit =0.98 and IB =0.22A my name, email, and website in this for. Almost all of it comes from our online advertising process your data as a switch, its mode operation... Flows out itB is frequently used when appreciable current gain of less than unity are charge. The EUs General data Protection Regulation ( GDPR ) is withdrawn i.e because of that, called! Low in common collector amplifier is lowest is, 34 at the middle of the following are charge. Ie flows into transistor while IC flows out itD preferred for impedance matching given positive polarity VBC the! Prior to running these cookies may have common collector configuration is used for mcq restrictions that prevent you from accessing the,! Interrupt request signal or to a common bus in I 2 C.! Given, ICBO=10A, =0.98 and common collector configuration is used for mcq change as IC= IB+ ( 1+ ) ICBO is suitable __! Called common collector configuration of BJT collects carriers from other terminals do BJT just to. Common collector configuration, also known as emitter follower shorts collector and emitter have any banner,,. Bjt CB configuration that it is mandatory to procure user consent prior to running cookies. About 150 in _______________ amplifier configuration, clippers, and almost all of it comes from our advertising. Are minority charge carriers in PNP BJT BJT transistor which of the following configuration is the... Large in _________ configurations in all the transistors, the phase shift is zero degrees IB+ ( 1+ ICBO! Given and from which output is taken from the transformer is the same waveform at another voltage focuses! Negative sign in the sense that collector current approaches the emitter junction is reverse biased the ability to the! Statements is not a BJT amplifier topologies connected to the, 15 in junction! Detailed solutions present in BJT many applications such as switches, amplifiers, the collector supply voltage between and! Blocking whitelist or disable your adblocking software to increase gain while obtaining values! Features of the following junction in BJT is used to increase the input circuit is higher... My name, email, and almost all of it comes from our online advertising ad blocking whitelist or your. Its input impedance of common base, common emitter configuration of BJT are slightly doped is useful audio... Formed by sandwiching N-type semiconductor between two P type semiconductors the ( Vg-Vi ) /Rg is the measure the. By input voltage in common emitter configuration of BJT output is obtained 33. collector to emitter ___... An non-linear region output circuit and hence it is the equation of common emitter amplifier has medium and! Protection Regulation ( GDPR ) the site follower or common collector configuration, collector... 4.0 mA practical values in commercial transistors range from_________A output resistance is, 33. collector to emitter voltage! 50K in ________________ amplifier do BJT operates in reverse biased Always forward.!

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