NEET | 2016Work, Power and EnergyHard
Question
40. An inductor 20 mH, a capacitor 50 F and a resistor 40 are connected in series across a source of emf V = 10 sin 340 t. The power loss in A.C. circuit is :
Options
A.
0.51 W
B.
0.67 W
C.
0.76 W
D.
0.89 W
Solution
wL = 340 20 10-3 = 68 10-1 = 6.8
= 0.0588 103 = 58.82
2 =
2 =
Power =
= 0.51 w
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