Question

In an a. c. circuit, the e.m.f. and the
current at any instant are respectively
given by
E= E sin wt
I= Isin (wt-Q)
and
The average power in the circuit
over one cycle of a.c.is
1) E0l0
2) E0I0/2
3) E0I0/2 ×sin
4) Eolo/2 cos
​

Answer 1

Answer:

c is right and

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