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When npn transistor is used as an amplifier (a) electrons move from base to collector.

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asked Mar 27, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 53

When npn transistor is used as an 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.

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answered Mar 27, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 28, 2018 by Vikash Kumar
 
Best answer

(a) : Electrons of n-type emitter move from emitter to base and then base to collector when npn transistor is used as an amplifier.

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