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Physics · 2023 · 1 mark
Semiconductor Electronics: Materials, Devices and Simple CircuitsIntrinsic Semiconductor1 markUnderstandassertion reason
CBSE 2023 · Region 5 · Set 1 · Q16
Assertion (A): The resistance of an intrinsic semiconductor decreases with increase in its temperature. Reason (R): The number of conduction…
Assertion (A) : The resistance of an intrinsic semiconductor decreases with increase in its temperature.
Reason (R): The number of conduction electrons as well as hole increase in an intrinsic semiconductor with rise in its temperature.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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CBSE Class 12 Physics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.