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Questions  

An n-p-n transistor conducts when :

a
collector is positive and emitter is at same potential as the base
b
both collector and emitter are negative with respect to the base
c
both collector and emitter are positive with respect to the base
d
collector is positive and emitter is negative with respect to the base

detailed solution

Correct option is D

Collector should be reverse biased and emitter. Should be in forward bias

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