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In a P-N Junction, the depletion region is reduced when _________

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In a P-N Junction, the depletion region is reduced when _________

(a) P side is connected to the negative side of the terminal

(b) P side is connected to the positive side of the terminal

(c) N side is connected to the positive side of the terminal

(d) Never reduced

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This question is from Characteristics of P-N Junction in section Semiconductors of Engineering Physics II

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The correct answer is (b) P side is connected to the positive side of the terminal

Easiest explanation: When the P-side of a P-N junction is connected to the positive terminal of a battery, the junction is forward biased and hence the depletion region reduces.

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