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easyMCQAIEEE 20042026Physics
2 attempts0% success rate1 mark

When a p-n junction diode is forward biased:

  1. A
    The depletion region is reduced and barrier height is increased
  2. B
    The depletion region is widened and barrier height is reduced
  3. C
    Both the depletion region and barrier height are reduced
  4. D
    Both the depletion region and barrier height are increased

Solution & Step-by-step Explanation

In forward bias, the external potential opposes the built-in potential barrier. This results in:Reduction of the barrier height.Shrinking (reduction) of the depletion region width as carriers are pushed toward the junction.

Practice this question

Try it yourself before checking the explanation above.

When a p-n junction diode is forward biased:
A
The depletion region is reduced and barrier height is increased
B
The depletion region is widened and barrier height is reduced
C
Both the depletion region and barrier height are reduced
D
Both the depletion region and barrier height are increased

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