Question

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

(a) 0.76 W 

(b) 0.89 W 

(c) 0.46 W 

(d) 0.67 W

Answer 1

Correct answer is (c) 0.46 W