First slide

Transistor

Question

When NPN transistor is used as an amplifier

Moderate

A

electrons move from base to collector
B

holes move from emitter to base
C

electrons move from collector to base
D

holes move from base to emitter

Solution

When NPN transistor is used as an amplifier majority charge carriers, i.e., electrons of /f-type emitter move from emitter to base and then from base to collector.

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