In an a.c. circuit the e.m.f. (e) and the current (i) at any instant are given respectively by :-
e = E _0 \sin \omega t i = I _0 \sin (\omega t -\phi) The average power in the circuit over one cycle of a.c. is :-

Question

Examsnet · Accepted Answer

Correct Answer is : ‌E0I02‌cos‌φ

JEE Main 2026 Model Paper 1