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Physics
A n-p-n transistor conducts when
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Q. A $ n-p-n$ transistor conducts when
AIPMT
AIPMT 2003
Semiconductor Electronics: Materials Devices and Simple Circuits
A
both collector and emitter are positive with respect to the base
8%
B
collector is positive and emitter is negative with respect to the base
60%
C
collector is positive and emitter is at same potential as the base
20%
D
both collector and emitter are negative with respect to the base
12%
Solution:
A $n-p-n$ transistor conducts when emitterbase junction is forward biased while collectorbase junction is reverse biased.