The width of the depletion region of a diode:
Correct answer: B. Increases under reverse bias
- A. Increases under forward bias
- B. Increases under reverse bias
- C. Is independent of applied voltage
- D. All of these
Explanation
Reverse bias increases the depletion region's width in a diode.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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