MHT CET 2023 Physics question

Physics Current Electricity MHT CET 2023

In an circuit the current is i = 5 A & voltage is e = 200 sin (100 t) volt. Power consumption in the circuit is ()

(A)200 W
(B)0 WCorrect
(C)40 W
(D)1000 W

Answer: (B)

Solution

Reading the current as A and the voltage as V, the current lags the voltage by a phase angle . The average power is E_{rms}I_{rms}$φ =

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Question ID VK-094704