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Electronic Devices & CircuitsPN Junction Diode

For an abrupt PN junction under increased reverse bias, the depletion-region width generally?

  • AIncreases
  • BDecreases to zero
  • CRemains exactly constant
  • DChanges sign
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Correct Answer: A. Increases
Explanation: Reverse bias increases the junction electric field and expands the depletion region.
Reference: Standard semiconductor electronics: depletion width
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