Assertion :If the frequency of alternating current in an ac circuit consisting of an inductance coil is increased then current gets decreased. Reason: The current is inversely proportional to frequency of alternating current.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
When frequency of alternating current is increased, the effective resistance of the inductive coil increases. Current $(X_{L} = ω L = 2 π f L)$ in the circuit containing inductor is given by $I = \frac{V}{X_{L}} = \frac{V}{2 π f L}$ . As inductive resistance of the inductor increases, current in the circuit decreases.
hence option A is correct.

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