ANALOG ELECTRONICS QUIZ

The arrowhead on the transistor symbol points in the direction of

electron flow in the emitter region.

conventional electric current flow in the emitter region.

minority carrier flow in the emitter region.

majority carrier flow in the emitter region.

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When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

Load current.

None of these.

Series current.

Zener current.

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When the JFET is no longer able to control the current, this point is called the

breakdown region.

saturated point.

pinch-off region.

depletion region.

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The AC base voltage of an emitter follower is across the

DC emitter resistor.

load resistor.

emitter diode and external AC emitter resistance.

emitter diode.

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How will be the extrinsic semiconductor act at room temperature ?

Conductor

Poor conductor

None of these

Medium Conductor

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A diode (P-N junction) has two terminals. The P-terminal is known as

Anode

Cathode

None of these

Either anode or cathode

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A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

Slew rate

Open-loop gain

CMRR

Bandwidth

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The depletion region with in a pn junction is reduced when the junction has :

all of these.

forward bias.

zero bias.

reverse bias.

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Which of following is the point of reference JFET?

Source.

None of above.

Drain.

Gate.

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Conventional biasing of a BJT has

EB reversed biased and CB reversed biased.

EB reversed biased and CB forward biased.

EB forward biased and CB reversed biased.

EB forward biased and CB forward biased.

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