Solve this: 47. An an A.C. circuit, the current flowing is i = 5 sin(100t - π 2 ) amp and the potential difference is V = 200 sin 100t volt. The power consumption is equal to (a) 1000 W (b) 40 W (c) 20 W (d) 0 W Share with your friends Share 1 Decoder_2 answered this Dear student,P=Vrms×Irms×cosϕP=VoIo2cosϕP=200×52×cosπ2P=0WRegards 0 View Full Answer