Electronic Devices Question 10
Question: In case of NPN-transistors the collector current is always less than the emitter current because
[AIIMS 1983]
Options:
A) Collector side is reverse biased and emitter side is forward biased
B) After electrons are lost in the base and only remaining ones reach the collector
C) Collector side is forward biased and emitter side is reverse biased
D) Collector being reverse biased attracts less electrons
Show Answer
Answer:
Correct Answer: B
Solution:
$ i _{e}=i _{b}+i _{c}\Rightarrow i _{c}=i _{e}-i _{b} $
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