ANALOG ELECTRONICS QUIZ

The collector characteristics of a common - emitter connected transistor may be used to find its

base current.

voltage gain.

output resistance .

input resistance.

TRUE ANSWER : ?
YOUR ANSWER : ?

If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

collector current.

emitter current.

emitter voltage.

base current.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the conversion of current done by diode ?

None of these

AC to DC

DC to DC

DC to AC

TRUE ANSWER : ?
YOUR ANSWER : ?

A small collector current with zero base current is caused by the leakage current of the

transistor.

collector diode.

emitter diode.

base diode.

TRUE ANSWER : ?
YOUR ANSWER : ?

The DC electric current gain in common collector configuration is given by

ÃŽÂ±.

ÃŽÂ².

ÃŽÂ± - 1.

ÃŽÂ² + 1.

TRUE ANSWER : ?
YOUR ANSWER : ?

Semiconductor Diode is used as

an oscillator

a rectifier

an amplifier

a modulator

TRUE ANSWER : ?
YOUR ANSWER : ?

A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

25 Ω & 20 %

5 Ω & 16.7 %

5 Ω & 20 %

25 Ω & 16.7 %

TRUE ANSWER : ?
YOUR ANSWER : ?

Electron mobility is defined as

Drift velocity per unit field

Diffusion velocity per unit field

None of these

the movement of electrons

TRUE ANSWER : ?
YOUR ANSWER : ?

When a junction diode is Reverse Biased then diode acts like .......................

None of these

Close switch

Short switch

An open switch

TRUE ANSWER : ?
YOUR ANSWER : ?

Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is

0.

a few tenths of a volt.

1 V.

supply voltage.

TRUE ANSWER : ?
YOUR ANSWER : ?

↑