CBSE Class 12 Physics Alternating Current Online Test Set B

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Question 1

Question

Assertion : When the frequency of the AC source in an LCR circuit equals the resonant frequency, the reactance of the circuit is zero, and so there is no current through the inductor or the capacitor.
Reason : The net current in the inductor and capacitor is zero.

Answer

Assertion is correct, reason is correct; reason is a correct explanation for assertion

Assertion is incorrect, reason is correct

Assertion is correct, reason is correct; reason is not a correct explanation for assertion

Assertion is correct, reason is incorrect