ANALOG ELECTRONICS QUIZ

Which of the following is trivalent impurity ?

Antimony

None of these

Silicon

Boron

TRUE ANSWER : ?
YOUR ANSWER : ?

A Semiconductor has a

Negative Temperature coefficient of resistance

Constant Temperature coefficient of resistance

Positive Temperature coefficient of resistance

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

When the diode is forward biased, it is equivalent to

a high resistance.

an off switch.

None of these

an on switch.

TRUE ANSWER : ?
YOUR ANSWER : ?

Secondary breakdown occures in

BJT but not is MOSFET.

None of these.

Both BJT and MOSFET.

MOSFET but not in BJT.

TRUE ANSWER : ?
YOUR ANSWER : ?

LC oscillators are used for produce a waveform with frequency ranging from

1MHz to 500 MHz

100 KHz to 500 MHz

1MHz to 100 GHz

1 KHz to 1 MHz

TRUE ANSWER : ?
YOUR ANSWER : ?

If the collector resistor opens in a base-biased circuit, the load line will become

useless.

vertical.

horizontal.

flat.

TRUE ANSWER : ?
YOUR ANSWER : ?

The voltage gain of a loaded differential amp is

impossible to determine.

equal to RC / re.

large than the unloaded voltage gain.

smaller than the unloaded voltage gain.

TRUE ANSWER : ?
YOUR ANSWER : ?

The horizontal intercept of dc load line is the same as ideal

Quasi saturation point

Cut off point

Saturation point

Operating point

TRUE ANSWER : ?
YOUR ANSWER : ?

If the base current is 100 mA and the current gain is 30, the emitter current is

10 A.

3.33 mA.

3.1 A.

3 A.

TRUE ANSWER : ?
YOUR ANSWER : ?

CMOS devices use

class A operation.

DMOS devices.

complementary E - MOSFETs.

bipolar transistors .

TRUE ANSWER : ?
YOUR ANSWER : ?

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