Assertion :A p-n junctions diode is kept in reverse bias while using it as a photodiode. Reason: Current in forward bias is more than current in reverse bias.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
A photodiode is indeed a $p - n$ junction in reverse bias resulting in the conversion of light energy to electrical energy. But, the current in the forward bias is always more than that in the reverse bias.
So, option (C) is correct.

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