Question # 1

The output of two input is zero only when its.

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Both inputs are zero

Either input is zero

Both inputs are one

Either input is one

When transistor are used in digital circuits they usually operate in the :

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Active region

Break down region

Saturation & cutoff regions

Linear region

For rectification we use.

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Transformer

Diode

Choke

Generator

A.C. can be converted into D.C. by

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An oscillator

Detector

An amplifier

Rectifier

Greater concentration of impurity is added in.

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Base

Emitter

Collector

LED

The p-n junction in which p side is connected to+ive and n-side is -ve the junction is said to be:

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Neutral

Forward biased

Reversed biased

None of above

Transistor was discovered by

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Young

Curie

John Bardeen

Shale's

Which is not fundamental logic gate.

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NOT

AND

OR

NAND

A PN junction can not be sued a.

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Rectifier

Amplifier

Detector

LED

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Physics FSC Part 2 Chapter 18 Online MCQ's Test MCQs With Answers

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