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The impedance of a circuit consists of $3 \Omega$ resistance and $4 \Omega$ reactance. The power factor of the circuit is
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0.6
$\tan \phi=\frac{\mathrm{X}}{\mathrm{R}} \times \frac{4}{3}$
Power factor $=\cos \phi=\frac{3}{5}=0.6$
Power factor $=\cos \phi=\frac{3}{5}=0.6$
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