In a series RL circuit, the current i(t) = 5 cos (628t + 2π/3) and th – McqOptions

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1.	In a series RL circuit, the current i(t) = 5 cos (628t + 2π/3) and the voltage v(t) = 20 cos (628 t + 5π/6), find power factor and average power drawn by the circuit?
A.	0.866 (lagging), 43.3 W
B.	0.866 (leading), 43.3 W
C.	0.866 (leading), 100 W
D.	0.866 (lagging), 50 W
Answer» B. 0.866 (leading), 43.3 W

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