Question

When n-P-n transistor is used as an amplifier, then
(a) electrons move from collector to emitter
(b) electrons move from emitter to collector
(c) electrons move from collector to base
(d) holes move from emitter to collector

Answer 1

Answer:

electrons of N-type emitter move from emitter to base and then base to collector.

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Answer 2

Answer:

(b) electrons move from emitter to collector

Explanation:

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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