An inductor 20 mH, a capacitor 50 μF and a resistor 40 Ω are connected in series across a source of emf V = 10sin 340 t. The power loss in A.C. circuit is :

# An inductor 20 mH, a capacitor 50 μF and a resistor 40 $\mathrm{\Omega }$ are connected in series across a source of emf V = 10sin 340 t. The power loss in A.C. circuit is :

1. A

0.51 W

2. B

0.67 W

3. C

0.76 W

4. D

0.89 W

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