Electrical Engineering MCQs

Page No. 18

An advantage of RC coupling scheme is the___________?


a Good impedance matching


bEconomy


cHigh efficiency


dNone of the above


View Answer Economy

In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?


aChanges abruptly with frequency


bIs constant


cChanges uniformly with frequency


dNone of the above


View Answer Is constant

RC coupling is used for_____________amplification?


aVoltage


bCurrent


cPower


dNone of the above


View Answer Voltage

A radio receiver has____________of amplification?


aOne stage


b Two stages


cThree stages


dMore than one stages


View Answer More than one stages

A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ________________________?


aRC


bRC || RE


cRC – RE


dRC + RE


View Answer RC + RE

For highest power gain, one would use _________________configuration?


aCC


bCB


cCE


dnone of the above


View Answer CE

A transistor converts __________________?


ac. power into a.c. power


bc. power into d.c. power


chigh resistance into low resistance


dnone of the above



In transistor amplifiers, we generally use______________ capacitors?


aElectrolytic


bMica


c Paper


dAir


View Answer Electrolytic

The value of collector load RC in a transistor amplifier is _______________the output impedance of the transistor?


aThe same as


bLess than


cMore than


dNone of the above


View Answer Less than

The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?


aTransistor


b Biasing circuit


cCollector supply VCC


dNone of the above


View Answer Collector supply VCC

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