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If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is

Physics
JAMB 2012

If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is

  • A. increased
  • B. decreased
  • C. constant
  • D. halved
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Correct Answer: Option A
Explanation

The width of the depletion layer in a p-n junction diode increases in reverse bias as charge carriers are swept into battery terminals, holes from the p-type into the negative terminal, and electrons from the n-type into the positive terminal.

There is an explanation video available below.


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Explanation Video

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