When an inductor \( \mathrm{L} \) and a resistor \( \mathrm{R} \) i...

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When an inductor \( \mathrm{L} \) and a resistor \( \mathrm{R} \) in series are connected across a \( 12 \mathrm{~V}, 50 \mathrm{~Hz} \) supply, a current of 0.5 A flows in the circuit. The current differs in phase from applied voltage by \( \pi / 3 \) radian. Calculate the
\( \mathrm{P} \) value of \( \mathrm{R} \).

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