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An inductor and a resistor are connected in series to an ac source. If the power factor of the circuit is 0.5 , the ratio of the resistance of the resistor and the reactance of the inductor is
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$1: 2$
Power factor of the circuit $=0.5$
$\text { Ratio }=\frac{\mathrm{R}}{\mathrm{Z}}=0.5=\frac{1}{2}$
$\text { Ratio }=\frac{\mathrm{R}}{\mathrm{Z}}=0.5=\frac{1}{2}$
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