1.

Given : E = 100sin (100t) volt and 1=100sin100tmA. Power isla 104 Wíc) 2.5 VW

Answer»

power in A.C = Vrms*Irms*cos∅ = 100/√2*0.1/√2*cos(π/3) = 10/4 = 2.5w

option C



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