The increase in the width of the depletion region in a p-n junction diode is due to: (a) reverse bias only (b) both forward bias and reverse bias (c) increase in forward current (d) forward bias only

Answer: (a). Reverse bias pulls majority carriers away from the junction, so the depletion width increases. Forward bias (and larger forward current) reduces the width. So the answer is (a) reverse bias only.

The increase in the width of the depletion region in a p-n junction… | NEET 2020 (Phase 1)

Q79NEET 2020 · PHASE 1Easy

P-N Junction Diode

The increase in the width of the depletion region in a p-n junction diode is due to:

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Answer: (a)

Reverse bias pulls majority carriers away from the junction, so the depletion width increases.
Forward bias (and larger forward current) reduces the width.
So the answer is (a) reverse bias only.

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