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1. |
A coil has an inductance of 0.7 henry and is joined in series with a resistance of \[220\,\Omega \]. When the alternating emf of 220 V at 50 Hz is applied to it then the phase through which current lags behind the applied emf and the watt less component of current in the circuit will be respectively |
A. | \[30{}^\circ ,\text{ }1\text{ }A\] |
B. | \[45{}^\circ ,\text{ }0.5\text{ }A\] |
C. | \[60{}^\circ ,\text{ }1.5\text{ }A\] |
D. | None of these |
Answer» C. \[60{}^\circ ,\text{ }1.5\text{ }A\] | |