AIIMS2015Physics-Alternating Current

AIIMS 2015 Physics Power Factor Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

Assertion (A) If the frequency of the applied AC is doubled, then the power factor of a series R⁻L circuit decreases. Reason (R) Power factor of series R⁻L circuit is given by cosθ=2RR+ω2L2\cos \theta = \frac{2R}{\sqrt{R^²⁺ \omega^2 L^2}}

A

If both Assertion and Reason are true and Reason is 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 coming soon.

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