transistor is used as an amplifier [AIEEE 2004]
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
Correct Answer: D
Solution :
[d] When forward bias is applied on n-p-n transistor, then it works as an amplifier. In forward biased n-p-n transistor, electrons move from emitter to base and holes move from base to emitter.
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