ANALOG ELECTRONICS QUIZ

The base - emitter voltage is usually

more than the base supply voltage.

less than the base supply voltage.

none of these.

equal to the base supply voltage.

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The forbidden energy gap between valance band and conduction band in semiconductor material is about

0 eV

15 eV

None of these

1eV

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The value of total collector electric current in a CB circuit is

IC = ÃŽÂ²IE.

IC = ÃŽÂ±IE.

IC = ÃŽÂ±IE - ICO.

IC = ÃŽÂ±IE + ICO.

TRUE ANSWER : ?
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Asource follower using an FET usually has a voltage gain which is

Greater than +100

Slightly less than unity but positive

About -10

Exactly unity but negative

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The base-emitter voltage of an ideal transistor is

0.3 V.

0 V.

0.7 V.

1 V.

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Electrons in p-type material of a semi-conductor are called as

valance carriers

majority carriers

minority carriers

either minority carriers or majority carriers

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A pn junction/Diode is a/an

Linear component

Bidirectional component

Unidirectional Component

None of these

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MOSFET uses the electric field of

none of these.

gate capacitance to control the channel current.

barrier potential of p-n junction to control the channel current.

both (A) and (B).

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The base of an npn transistor is thin and

metallic.

lightly doped.

doped by a pentavalent material.

heavily doped.

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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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