ANALOG ELECTRONICS QUIZ

The input signal for an instrumentation amplifier usually comes from

a resistor.

an inverting amplifier.

a Wheatstone bridge.

a differential amplifier.

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The load voltage is approximately constant when a zener diode is

forward biased.

operating in breakdown region.

unbiased.

reverse biased.

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The positive part of the output signal in a transistor circuit starts clipping, if Q point of the circuit moves

none of these.

toward the center of the load line.

toward the cutoff point.

toward the saturation point.

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CMOS stands for

p - channel and n - channel devices.

active - load switching.

common MOS.

complementary MOS.

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The β of a transistor is the ratio of the

emitter current to collector current.

base current to collector current.

collect current to base current.

collect current to emitter current.

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Which of the following statements is false?

All of these

A push pull output transformer has a centre-tapped primary

Push pull signals are equal and opposite in phase

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

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In deriving ac equivalent circuit for an amplifier circuit we short circuit

All resistors

All capacitors

All inductors

All transistors

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Peak inverse voltage (PIV) can be termed as

Advalance break down village.

Reverse saturation voltage.

Peak repetitive voltage.

Zener break down voltage.

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The output voltage of an emitter follower is across the

DC collector resistor.

emitter diode and external AC emitter resistance.

load resistor.

emitter diode.

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Increasing the collector supply voltage will increase

base current.

collector current.

None of these

emitter current.

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