Semiconductor Electronics Materials Devices And Simple Circuits Ques 57
57. When a $p-n$ junction diode is reverse biased the flow of current across the junction is mainly due to
[1994]
(a) diffusion of charges
(b) drift of charges
(c) depends on the nature of material
(d) both drift and diffusion of charges
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Answer:
Correct Answer: 57.(b)
Solution:
- (b) When $p-n$ junction is reverse biased, the flow of current is due to drifting of minority charge carriers across the junction.
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