Single Stage Transistor Amplifier Question & AnswersNovember 2, 2021 By WatElectronics This article lists 100 Single-Stage Transistor Amplifier MCQs for Engineering Students. All the Single-Stage Transistor Amplifier Questions & Answers given below includes solution and link wherever possible to the relevant topic.In a single-stage transistor amplifier, the circuit has only one transistor with associated circuitry. The biasing circuit, input capacitor, emitter bypass capacitor, and coupling capacitor are the circuit elements. The single-stage amplifiers are the most convenient and least expensive amplifiers, and it provides the high audio fidelity and low-frequency distortion. 1). How many types of load lines are there?OneTwoThreeFourHintThere are two types of load lines they are AC load lines and DC load lines 2). The tuned voltage amplifiers are categorized into __________ typesOneTwoThreeFourHintThe tuned voltage amplifiers are categorized into two types they are single tuned voltage amplifier and double tuned voltage amplifier 3). We generally use _____________ capacitors in transistor amplifiersAdd description here!MicaElectrolyticBoth a and bNone of the aboveHintWe generally use electrolytic capacitors in transistor amplifiers 4). How many types of gains are there?OneTwoThreeFourHintThere are three types of gains they are current gain, voltage gain, and power gain 5). The current gain of a common-base amplifier is __________<1<0.5<0.1>5HintThe current gain of a common-base amplifier is less than one 6). ______________ are the building block in single transistor amplifier stagesCommon source, common gateSource follower, series feedbackShunt feedbackAll of the aboveHintThe common source, common gate, source follower, shunt feedback, and series feedback are the building block in single transistor amplifier stages 7). The _______________ amplifiers are the type of amplifiers based on the number of stagesSingle-stage amplifierMulti-stage amplifierBoth a and bNone of the aboveHintThe single-stage and multi-stage amplifiers are the type of amplifiers based on the number of stages 8). The _______________ amplifiers are the type of amplifiers based on the number of stagesSingle-stage amplifierMulti-stage amplifierVoltage and power amplifiersNone of the aboveHintThe voltage and power amplifiers are the type of amplifiers based on the number of stages 9). The voltage gain in common-collector amplifier is ______________Less than unityLess than oneGreater than oneNone of the aboveHintThe voltage gain in the common collector amplifier is less than unity 10). How many types of couplings are there?OneTwoThreeFourHintThere are three types of couplings are there they are resistance capacitance, impedance and direct, and transformer couplings 11). The _______________ amplifiers are the type of amplifiers based on the transistor configurationCE amplifierCC amplifierCB amplifierAll of the aboveHintThe CE, CC, CB amplifiers are the type of amplifiers based on the transistor configuration 12). What are the disadvantages of the transformer-coupled amplifier?BulkyCostlyFrequency distortion is higherAll of the aboveHintThe transformer-coupled amplifiers are costly, bulky, and has high-frequency distortionRead more about Transformer 13). What are the advantages of a transformer-coupled amplifier?Efficient in operationGain achieved is higherNo power loss in base and collector resistorsAll of the aboveHintThe transformer-coupled amplifiers are efficient in operation, gain achieved is higher, and there will be no power loss in base and collector resistors 14). The _________ amplifiers are the type of amplifiers based on the coupling methodRC coupledTransformer coupledDirect coupledAll of the aboveHintThe RC coupled, transformer coupled, and direct-coupled amplifiers are the type of amplifiers based on the coupling method 15). The _________ amplifiers are the type of amplifiers based on the biasing conditionClass A, Class BClass CClass ABAll of the aboveHintThe class A, B, C, and class AB amplifiers are the type of amplifiers based on the biasing condition 16). What are the disadvantages of an RC coupled amplifier?Power transformer will be lowVoltage and power gain are lowThey become noisy with ageAll of the aboveHintIn RC coupled amplifier the power transformer, voltage & power gain are low, and they become noisy with age 17). What are the advantages of an RC coupled amplifier?CheapCompactBoth a and bNone of the aboveHintThe RC coupled amplifiers are cheap and compact 18). The _________ amplifiers are the type of amplifiers based on the frequency responseAudio frequencyIntermediate frequencyRadiofrequencyAll of the aboveHintThe audio frequency, intermediate frequency, and radiofrequency amplifiers are the type of amplifiers based on the frequency response 19). The _________ amplifiers are the type of amplifiers based on the input signalsSmall signal & large signalAudio and powerRC coupled, Direct-coupledAll of the aboveHintThe small-signal amplifiers and large signal amplifiers are the type of amplifiers based on the input signals 20). Which one of the amplifiers is not suitable for cascading?CB amplifierCC amplifierCE amplifierCE amplifierHintThe common base amplifier is not suitable for cascading 21). In which one of the following amplifiers the voltage gain is greater than unity?CB amplifierCC amplifierCE amplifierAll of the aboveHintIn common emitter amplifier the voltage gain is greater than unity 22). Which one of the amplifiers is not suitable for intermediate stages?CB amplifierCC amplifierCE amplifierAll of the aboveHintThe common-collector amplifier is not suitable for intermediate stages 23). The base current, collector current, and emitter current are the various circuit ___________ElementsCurrentsBoth a and bNone of the aboveHintThe base current, collector current, and emitter current are the various circuit elements 24). The biasing circuit, input capacitor, emitter bypass capacitor, coupling capacitor are the various circuit _______ElementsCurrentsBoth a and bNone of the aboveHintThe biasing circuit, input capacitor, emitter bypass capacitor, coupling capacitor are the various circuit current 25). The doubled tuned amplifier uses ______________ inductively coupled circuitsOneTwoThreeFourHintThe doubled tuned amplifier uses two inductively coupled circuitsSingle Stage Transistor Amplifiers MCQ's for Interviews 26). The single tuned amplifiers are classified into _____________ typesOneTwoThreeFourHintThe single tuned amplifiers are classified into two types they are capacitively coupled and transformer-coupled or inductive coupled tuned amplifiers 27). The small-signal tuned amplifiers are used to __________Amplify low RF signalsOperated in class APower output is lowAll of the aboveHintThe small-signal tuned amplifiers are used to amplify low RF signals, and they are operated in class-A mode, and it has a low power output 28). The large signal tuned amplifiers are used to __________Amplify large RF signalsOperated in class B, C, or AB modesPower output is moreAll of the aboveHintThe large signal tuned amplifiers are used to amplify large RF signals, the power output is more, and it is operated in class B, C, or AB modes 29). What are the advantages of tuned amplifiers?Selectivity is highSmall power lossHarmonic distortion is very smallAll of the aboveHintThe tuned amplifiers have high selectivity, low power loss, and very small harmonic distortion 30). The tuned amplifiers are used in _______________ type of amplifiersIF amplifiersRadar, televisionRF amplifiersAll of the aboveHintThe tuned amplifiers are used in IF, RF amplifiers, radar, television, etc 31). The heat sinks are categorized into _______________ typesOneTwoThreeFourHintThe heat sinks are categorized into two types they are low power transistor type and high power transistor type heat sinks 32). The class A power amplifiers have ____________ efficiencyLesserHighVery highModerateHintThe class A power amplifiers have lesser efficiency compared to other class amplifiers 33). Which one of the power amplifiers has more power?Class AClass BClass CClass ABHintThe class B power amplifier has more power compared to other class amplifiers 34). In which one of the following amplifiers the harmonic distortion is more?Class AClass BClass CClass ABHintThe harmonic distortion is more in common base amplifier 35). The series fed and transformer-coupled are the type of _______________ power amplifierClass AClass BClass CClass ABHintThe series fed and transformer-coupled is the type of class A power amplifier 36). The push-pull amplifiers and complementary symmetry circuits are the type of ______________ amplifiersClass AClass BClass CClass ABHintThe push-pull amplifiers and complementary symmetry circuits are the types of class C amplifiers 37). What are the advantages of class B power amplifiers?More output powerEfficiency is higherNegligible power loss at no signalAll of the aboveHintIn class B power amplifiers the efficiency is higher, output power is more, and there is a negligible power loss at no signal 38). In which one of the following power amplifiers the power is less?Class AClass BClass CClass ABHintIn class A power amplifiers the power is less 39). In which one of the following power amplifiers the harmonic distortion is more?Class AClass BClass CClass ABHintIn class B power amplifier the harmonic distortion is more 40). The power amplifiers are categorized into _______________ typesOneTwoFourSixHintThe power amplifiers are categorized into six types they are Class A, B, C, D, S, and class AB power amplifiers 41). In class A power amplifier the active device conducts for the _________ degrees90160180360HintIn class A power amplifier the active device conducts for the 360 degrees 42). Which one of the following amplifiers has low input resistance?Common emitterCommon BaseCommon CollectorNone of the aboveHintThe common base amplifier has a low input resistance 43). The Y-parameters are also known as _______________ parameterImpedanceAdmittanceHybridNone of the aboveHintThe Y-parameters are also known as admittance parameter 44). The H-parameters are also known as _______________ parameterImpedanceAdmittanceHybridNone of the aboveHintThe H-parameters are also known as hybrid parameter 45). How many types of parameters are there?OneTwoThreeSixHintThere are three types of parameters are there they are Y, Z, and H parameters 46). Which one of the following amplifiers has high input resistance?Common emitterCommon BaseCommon CollectorNone of the aboveHintThe common-collector amplifier has a high input resistance 47). The Z-parameters are also known as _______________ parameterImpedanceAdmittanceHybridNone of the aboveHintThe Z-parameters are also known as impedance parameter 48). _____________ are the type of amplifiers based on the bandwidthClass A, Class BVoltage amplifier, current amplifierNarrow and wideband amplifierAll of the aboveHintThe narrowband amplifier and wideband amplifier are the type of amplifiers based on the bandwidth 49). ___________ are the characteristics of common base amplifierHigh voltage gainSmall input impedanceLarge output impedanceAll of the aboveHintThe high voltage gain, small input impedance, and large output impedance are the characteristics of common base amplifier 50). ___________ are the characteristics of common collector amplifierHigh current gainLarge input impedanceSmall output impedanceAll of the aboveHintThe high current gain, large input impedance, and small output impedance are the characteristics of a common collector amplifierSingle Stage Transistor Amplifiers MCQ's for Exams 51). Which one of the following amplifiers has high output resistance?Common emitterCommon BaseCommon collectorBoth a and bHintThe common emitter and common base amplifiers have a high output resistance 52). Which one of the following amplifiers has moderate input resistance?Common emitterCommon BaseCommon CollectorNone of the aboveHintThe common emitter amplifier has a moderate input resistance 53). ______________ are the characteristics of common emitter amplifierLarge current gain, large power gain, large voltage gainModerate input impedance, moderate output impedanceVoltage phase shift of 180 degreesAll of the aboveHintThe large current gain, large power gain, large voltage gain, moderate input impedance, moderate output impedance, and voltage phase shift of 180 degrees are the characteristics of a common emitter amplifier 54). Which one of the following amplifiers has a large output impedance?Common emitterCommon BaseCommon CollectorNone of the aboveHintThe common base amplifier has a large output impedance 55). Which one of the following amplifiers has a small input impedance?Common emitterCommon BaseCommon CollectorNone of the aboveHintThe common base amplifier has a small input impedance 56). The voltage phase shift of 180 degrees is one of the characteristics of _____________ amplifierCommon emitterCommon BaseCommon collectorNone of the aboveHintThe voltage phase shift of 180 degrees is one of the characteristics of a common emitter amplifier 57). __________ are the basic configurations for single stage BJT amplifierCommon emitterCommon BaseCommon collectorAll of the aboveHintThe common emitter, common collector, and common base are the basic configurations for single stage BJT amplifier 58). The FET and BJT transistors are the type of transistors based on _____________Active deviceQ-pointNumber of stagesNone of the aboveHintThe FET and BJT transistors are the type of transistors based on the active device 59). How many types of feedbacks are there?OneTwoFourSixHintThe feedbacks are of two types they are positive and negative feedbacks 60). The output signal of series-shunt feedback amplifier is ____________VoltageCurrentFrequencyNone of the aboveHintThe output signal of series-shunt feedback amplifier is voltage 61). The source signal of series-shunt feedback amplifier is ____________VoltageCurrentFrequencyNone of the aboveHintThe source signal of series-shunt feedback amplifier is voltage 62). The source signal of shunt-series feedback amplifier is ____________VoltageCurrentFrequencyNone of the aboveHintThe source signal of the shunt-series feedback amplifier is current 63). Based on the magnitudes of the output and input impedance the amplifiers are categorized into _____________OneTwoFourSixHintBased on the magnitudes of the output and input impedance the amplifiers are categorized into four types they are voltage, current, transconductance, and trans resistance amplifiers 64). The non-linear waveshaping are categorized into ________________ typesOneTwoFourSixHintThe non-linear waveshaping is categorized into two types they are clippers and clampers 65). In ______________ multi-vibrator one state is stable but other is not stableMonostableBistableAstableNone of the aboveHintIn monostable multi-vibrator one state is stable but the other is not stable 66). The source signal of series-series feedback amplifier is ____________VoltageCurrentFrequencyNone of the aboveHintThe source signal of series-series feedback amplifier is voltage 67). The source signal of shunt-shunt feedback amplifier is ____________VoltageCurrentFrequencyNone of the aboveHintThe source signal of the shunt-shunt feedback amplifier is current 68). In ______________ multi-vibrator neither state is stableMonostableBistableAstableNone of the aboveHintIn astable multi-vibrator neither state is stable 69). The flip flop is an application of _______________ multivibratorMonostableBistableAstableNone of the aboveHintThe flip flop is an application of a bistable multivibrator 70). The timer is an application of _______________ multivibratorMonostableBistableAstableNone of the aboveHintThe timer is an application of a monostable multivibrator 71). The oscillator is an application of _______________ multivibratorMonostableBistableAstableNone of the aboveHintThe oscillator is an application of an astable multivibrator 72). The output signal of shunt-series feedback amplifier is ________________VoltageCurrentFrequencyNone of the aboveHintThe output signal of the shunt-series feedback amplifier is current 73). The output signal of series-series feedback amplifier is ________________VoltageCurrentFrequencyNone of the aboveHintThe output signal of series-series feedback amplifier is current 74). How many types of multivibrators are there?OneTwoFourThreeHintThere are three types of multivibrators are there they are astable, monostable, and bistable multivibrators 75). The output signal of shunt-shunt feedback amplifier is ________________VoltageCurrentFrequencyNone of the aboveHintThe output signal of the shunt-shunt feedback amplifier is voltageSingle Stage Transistor Amplifiers MCQ's for Quiz 76). How many types of clamping circuits are there?OneTwoFourThreeHintThere are two types of clamping circuits are there they are positive and negative clamping circuits 77). Which one of the following is an amplifier efficiency formula?AC output power/DC input power(AC output power/DC input power)*100%DC output power/DC input powerNone of the aboveHintThe amplifier efficiency formula is given by (AC output power/DC input power)*100% 78). The wave shapings are categorized into ____________ typesOneTwoFourThreeHintThe wave shapings are categorized into two types they are linear waveshaping and non-linear waveshaping 79). The linear wave shaping is categorized into ____________ typesOneTwoFourThreeHintThe linear waveshaping is categorized into two types they are high pass RC circuit and low pass RC circuit 80). The ____________ type of coupling will use in RC coupled amplifierResistance capacitanceNo couplingTransformer couplingNone of the aboveHintThe resistance-capacitance type of coupling will use in RC coupled amplifier 81). What is the standard form of RC coupling amplifier?Resistance CouplingResistance CapacitanceResistor CapacitorNone of the aboveHintThe standard form of RC coupling amplifier is resistance-capacitance coupling amplifier 82). Which type of coupling will use in a transformer-coupled amplifier?Resistance capacitanceNo couplingTransformer couplingNone of the aboveHintThe transformer type of coupling will use in the transformer-coupled amplifier 83). Which type of coupling will use in a direct-coupled amplifier?Resistance capacitanceNo couplingTransformer couplingNone of the aboveHintIn direct-coupled amplifier no coupling is use 84). ____________ are the important terms related to amplifiersGainFrequency responseBandwidthAll of the aboveHintThe gain, bandwidth, and frequency response are the important terms related to amplifiers 85). The output current divided by the input current is known as ______________ gainCurrentVoltagePowerNone of the aboveHintThe output current divided by the input current is known as current gain 86). The output voltage divided by the input voltage is known as ______________ gainCurrentVoltagePowerNone of the aboveHintThe output voltage divided by the input voltage is known as voltage gain 87). The output power divided by the input voltage is known as ______________ gainCurrentVoltagePowerNone of the aboveHintThe output power divided by the input power is known as power gain 88). The load lines are categorized into _____________ typesOneTwoFourThreeHintThe load lines are categorized into two types they are AC and DC load lines 89). The amplifier circuits analyzed by ______________ methodBy drawing its equivalent circuitBy graphical methodBoth a and bNone of the aboveHintThe amplifier circuits analyzed by drawing its equivalent circuit and by graphical method 90). The common base amplifiers are used for __________ frequency applicationsAudioHigh frequencyImpedanceNone of the aboveHintThe common base amplifiers are used for high-frequency applications 91). The common emitter amplifiers are used for _____________ frequency applicationsAudioHigh frequencyImpedanceNone of the aboveHintThe common emitter amplifiers are used for audio frequency applications 92). The common collector amplifiers are used for _____________AudioHigh frequencyImpedance matchingNone of the aboveHintThe common collector amplifiers are used for impedance matching 93). The current gain is high in common ____________ amplifierCollectorEmitterBaseNone of the aboveHintThe current gain is high in common emitter amplifier 94). The voltage gain is about 150 in common _________________ amplifierCollectorEmitterBaseNone of the aboveHintThe voltage gain is about 150 in common base amplifier 95). The voltage gain is about 500 in common _________________ amplifierCollectorEmitterBaseNone of the aboveHintThe voltage gain is about 500 in common emitter amplifier 96). The phase shift is 180 degrees in common __________________ amplifierCollectorEmitterBaseNone of the aboveHintThe phase shift is 180 degrees in common emitter amplifier 97). The phase shift is zero degrees in common __________________ amplifierCollectorEmitterBaseBoth a and cHintThe phase shift is zero degrees in the common collector and common base amplifiers 98). In which one of the following amplifiers the power gain is low?Common collectorCommon emitterCommon baseBoth a and cHintIn common collector amplifier the power gain is lowRead more about Amplifiers 99). The voltage gain is less than one in common ________________ amplifierCommon collectorCommon emitterCommon baseBoth a and cHintThe voltage gain is less than one in common collector amplifier 100). The current gain is appreciable in common ________________ amplifierCommon collectorCommon emitterCommon baseBoth a and cHintThe current gain is appreciable in common collector amplifier Time is Up! Time's up
