Electronic Devices Question 287
Question: When NPN transistor is used as an amplifier
[AIEEE 2004]
Options:
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
Show Answer
Answer:
Correct Answer: A
Solution:
When NPN transistor is used as an amplifier, majority charge carrier electrons of N-type emitter move from emitter to base and then base to collector.
BETA
