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In series LCR circuit, resistance is $18 \Omega$ and impedance is $33 \Omega$. An r.m.s. voltage of
$220 \mathrm{~V}$ is applied across the circuit. The true power consumed in a.c. circuit is
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$220 \mathrm{~V}$ is applied across the circuit. The true power consumed in a.c. circuit is
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The correct answer is:
$800 \mathrm{~V}$
$I=\frac{V}{Z}=\frac{220}{33}=\frac{20}{3} A$
$P=I^{2} R=\left(\frac{20}{3}\right)^{2} \times 18=800 \mathrm{~W}$
$P=I^{2} R=\left(\frac{20}{3}\right)^{2} \times 18=800 \mathrm{~W}$
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