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A coil has an inductance 0.7 H and is jo...

A coil has an inductance 0.7 H and is joined in series with a resistance of 220 ohm. Find the wattles component of the current in the circuit, when an alternating e.m.f. of 220 V at a frequency of 50 hz is supplied to it.

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MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
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