Electrical Engineering MCQs

Page No. 21

In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?


aRC + RL


bRC || RL


cRL


dRC


View Answer RC

When a transistor amplifier is operating, the current in any branch is _______________?


aSum of a.c. and d.c.


bc. only


cc. only


ddifference of a.c. and d.c.


View Answer Sum of a.c. and d.c.

The phase difference between the output and input voltages of a CE amplifier is _____________?


a180o


b0o


c90o


d270o


View Answer 180o

If the collector supply is 10V, then collector cut off voltage under d.c. conditions is _______________?


a 20 V


b5 V


c2 V


d10 V


View Answer 10 V

The input capacitor in an amplifier is the______________ capacitor?


aCoupling


bBypass


cLeakage


dNone of the above


View Answer Coupling

The slope of a.c. load line is ______________ that of d.c. load line?


athe same as


bMore than


cLess than


dNone of the above


View Answer More than

When an a.c. signal is applied to an amplifier, ,the operating point moves along_________________?


ac. load line


b c. load line


c both d.c. and a.c. load lines


dnone of the above


View Answer c. load line

A single stage transistor amplifier contains______________ and associated circuitry?


aTwo transistors


bOne transistor


cThree transistor


dNone of the above


View Answer One transistor

It is generally desired that a transistor should have_____________________ input impedance?


aLow


bVery low


c High


dVery high


View Answer High

In the zero signal conditions, a transistor sees _____________ load?


a a.c


bb.c


cboth d.c. and a.c.


dnone of the above


View Answer a.c

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