Semiconducting Devices Question 113

Question: When NPN transistor is used as an amplifier

[DCE 2002]

Options:

A) Electrons move from base to emitter

B) Electrons move from emitter to base

C) Electrons moves from base to emitter

D) Holes moves from base to emitter

Show Answer

Answer:

Correct Answer: B

Solution:

In NPN transistor when emitter-base is forward biased, electrons move from emitter to base.



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