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When npn transistor is used as amplifier (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. ?

When npn transistor is used as amplifier
(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. ?

Grade:12

3 Answers

Liyanalinar
19 Points
7 years ago
Holes move from base to emitter. electrons move from emitter to base,
Bristi Nandi
13 Points
4 years ago
In an npn transistor when forward bias is applied is works as an amplifier. The electrons move to the base from the emitter so the holes move from the base to emitter. 
Vikas TU
14149 Points
4 years ago
Dear student 
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.
Hope this helps 
Good Luck 

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