CBSE 12th Physics Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

During the formation of a $$p$$-$$n$$ junction:

diffusion current keeps increasing.

drift current remains constant.

both the diffusion current and drift current remain constant.

diffusion current remains almost constant but drift current increases till both currents become equal.

CBSE 12th Physics Delhi Set 1 - 2023

MCQ (Single Correct Answer)

-0

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.

Both Assertion (A) and Reason (R) are true and (R) is the correct explanation of (A).

Both Assertion (A) and Reason (R) are true and (R) is NOT the correct explanation of (A).

Assertion (A) is true and Reason (R) is false.

Assertion (A) is false and Reason (R) is also false.

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