ANALOG ELECTRONICS QUIZ

Which of the following is a semiconductors material ?

Si

All the above

GaAs

Ge

TRUE ANSWER : ?
YOUR ANSWER : ?

The first step in analyzing emitter-based circuits is to find the

collector current.

supply current.

emitter current.

base current.

TRUE ANSWER : ?
YOUR ANSWER : ?

The CE amplifier circuit are preferred over CB amplifier circuit because they have

none of these.

lower amplification factor.

larger amplification factor.

high input resistance and low output resistance.

TRUE ANSWER : ?
YOUR ANSWER : ?

The reverse saturation electric current of a pn junction varies with temperature (T) as

1 / T.

independent of T.

T2.

T.

TRUE ANSWER : ?
YOUR ANSWER : ?

In an E only MOSFET, drain electric current starts only when VGS (th) is

positive.

negative.

greater than VGS (th).

zero.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements is false?

Push pull signals are equal and opposite in phase

Class AB operation cannot be used for a push pull audio power output phase

All of these

A push pull output transformer has a centre-tapped primary

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the majority carriers of P type material ?

None of these

Holes

Electrons

Protons

TRUE ANSWER : ?
YOUR ANSWER : ?

Silicon and Germanium are ________ elements.

trivalant

hexavalant

tetravalant

pentavalant

TRUE ANSWER : ?
YOUR ANSWER : ?

The input stage of an op amp is usually a

CE amplifier.

class B push-pull amplifier.

swamped amplifier.

differential amp.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the conversion of current done by diode ?

DC to DC

None of these

AC to DC

DC to AC

TRUE ANSWER : ?
YOUR ANSWER : ?

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