Alternating CurrentHard
Question
The r.m.s. value of current for a variable current i = i1 cos ωt + i2 sin ωt :-
Options
A.
(i1 + i2)
(i1 + i2)B.(i1 + i2)2
(i1 + i2)2C.(i12 + i22)1/2
(i12 + i22)1/2D.
(i12 + i22)1/2
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