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NEET UG PHYSICS MCQ: ALTERNATING CURRENT
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Medium
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Understanding
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There is a current of passing through an ideal inductor when connected to a supply. The power consumed is
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Correct option: D
Zero
Option D (Zero) is correct because the power consumed by an ideal inductor in an AC circuit is zero due to the 90-degree phase difference between voltage and current.
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Reason (R) : , whereas and can be greater than also. When power is drawn from the secondary coil of the transformer, the dynamic resistance An alternating e.m.f. is applied to purely capacitive circuit. The phase relation between e.m.f. and current flowing in the circuit is or
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Reason (R) : , whereas and can be greater than also. When power is drawn from the secondary coil of the transformer, the dynamic resistance An alternating e.m.f. is applied to purely capacitive circuit. The phase relation between e.m.f. and current flowing in the circuit is or
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Average power in the L-C-R circuit depends upon A generator produces a voltage that is given by , where t is in seconds. The frequency and r.m.s. voltage are In a choke coil, the resistance and resistance are such that
