Assertion : The alternating current lags behind the e.m.f. by a phase angle of $$\pi /2$$, when ac flows through an inductor. Reason : The inductive reactance increases as the frequency of ac source decreases.

Question

Assertion  :       The alternating current lags behind the e.m.f. by a phase angle of $$\pi /2$$, when ac flows through an inductor. Reason      :   The inductive reactance increases as the frequency of ac source decreases.

TuteeHUB · Accepted Answer

If the assertion and reason both are false.

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

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

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If assertion is true but reason is false.

TuteeHUB · Answer

If the assertion and reason both are false.

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If assertion is false but reason is true.

1.	Assertion : The alternating current lags behind the e.m.f. by a phase angle of \[\pi /2\], when ac flows through an inductor. Reason : The inductive reactance increases as the frequency of ac source decreases.
A.	If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.	If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.	If assertion is true but reason is false.
D.	If the assertion and reason both are false.
E.	If assertion is false but reason is true.
Answer» D. If the assertion and reason both are false.

Assertion : The alternating current lags behind the e.m.f. by a phase angle of \[\pi /2\], when ac flows through an inductor. Reason : The inductive reactance increases as the frequency of ac source decreases.

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