Alternating CurrentMedium
Question
A coil has an inductance of 0.7 henry and is joined in series with a resistance of 220Ω. When the alternating emf of 220 V at 50 Hz is applied to it then the phase through which current lags behind the applied emf and the watt less component of maximum current in the circuit will be respectively : -
Options
A.30o , 1 A
B.45o, 0.5 A
C.60o, 1.5 A
D.None of these
= tan-1
= tan-1 (1) = 45oMore Alternating Current Questions
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