IF € = 200 sin 3.14t, r.m.s value of e.m.f is :-
A. 141.4v
B. 200v
C. 220v
D. None of these
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IF € = 200 sin 3.14t, r.m.s value of e.m.f is :-
A. 141.4v
B. 200v ✔️✔️✔️
C. 220v
D. None of these
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