ANALOG ELECTRONICS QUIZ

Most of the electrons in the base of an NPN transistor flow

into the emitter.

into the collector.

out of the base lead.

into the base supply.

TRUE ANSWER : ?
YOUR ANSWER : ?

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

horizontal.

flat.

vertical.

useless.

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In modern the MOSFET, the material used for the gate is

high - purity silicon.

heavily doped poly crystalline silicon.

epitaxially grown silicon.

high - purity silica.

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The gate controls

all of them.

the drain current.

the width of the channel.

the gate voltage.

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Which of following is the point of reference JFET?

Gate.

Source.

None of above.

Drain.

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If a transistor operates at the middle of the load line, a decrease in the base resistance will move the Q point

nowhere.

off the load line.

down.

up.

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Which of following is not an essential element of a DC power supply?

Voltage regulator.

Rectifier.

Voltage amplifier.

Filter.

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The base of an npn transistor is thin and

doped by a pentavalent material.

lightly doped.

metallic.

heavily doped.

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For a reverse biased pn junction, the electric current through the junction increases abruptly at

0 V.

breakdown voltage.

0.2 eV.

7.2 eV.

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Semiconductor Diode is used as

an amplifier

a rectifier

a modulator

an oscillator

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YOUR ANSWER : ?

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