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Transistor as an Amplifier

When NPN tran...

Question

When NPN transistor is used as an amplifier?

A

Electrons move from base to emitter

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B

Electrons move from emitter to collector

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C

Electrons moves from base to emitter

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D

Holes moves from base to emitter

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Solution

The correct option is B Electrons move from emitter to collector
When NPN transistor is used as an amplifier, majority charge carrier electrons of N-type emitter move from emitter to base and then base to collector.

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