Multiple choice

When the reverse voltage across a p-n junction is gradually decreased, the depletion region

  1. Does not change in width

  2. Initially increases up to a certain width and then decreases

  3. Continuously increases in width

  4. Continuously decreases in width

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Depletion width is inversely proportional to reverse bias. Therefore, when the reverse voltage decreases, the width of the depletion layer will increase.

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