The depletion region of p-n junction (a) increases if reverse biased. (b) increases if forward biased. (c) decreases if reverse biased. (d) remains same in reverse and forward biasing.

Answer: (a). Reverse bias pulls majority carriers away from the junction, exposing more fixed ions. Forward bias pushes carriers toward the junction and narrows it. So the answer is (a) increases if reverse biased.

The depletion region of p-n junction | MHT CET 2026 (20 Apr, Shift 2)

Q2MHT CET 2026 · 20 APR · SHIFT 2Easy

P-N Junction Diode

The depletion region of p-n junction

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Answer: (a)

Reverse bias pulls majority carriers away from the junction, exposing more fixed ions.
Forward bias pushes carriers toward the junction and narrows it.
So the answer is (a) increases if reverse biased.

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