AIIMS2002Physics-General

AIIMS 2002 Physics General MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Assertion: The quantity L/RL/R possesses dimension of time.

Reason: To reduce the rate of increase of current through a solenoid, we should increase the time constant (L/RL/R).

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Correct Answer

Option C

Detailed Explanation

Induced e.m.f. (e) = Ldi/dt and current (i) = e/R = 1/R Ldi/dt.

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