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NEET UG PHYSICS MCQ: ALTERNATING CURRENT

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An AC circuit having an inductor and a resistor in series draws a power of 560 W560 \mathrm{~W} from an AC source marked 210 V−60 Hz210 \mathrm{~V}-60 \mathrm{~Hz}. The power factor of the circuit is 0.8, the impedance of the circuit and the inductance of the inductor is
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Correct option: C
63 Ω,0.1 H63 \, \Omega, 0.1 \, \mathrm{H}
Option C (63 Ω,0.1 H63 \, \Omega, 0.1 \, \mathrm{H}) is correct because it is calculated by finding the impedance from power and voltage, and then inductance from impedance and power factor.

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