Alternating CurrentHard
Question
The peak value of an alternating e.m.f. which is given by E = E0 cosωt is 10 volts and its frequency is 50 Hz. At time t = 
s, the instantaneous e.m.f. is
s, the instantaneous e.m.f. is Options
A.10 V
B.5√3 V
C.5 V
D.1 V
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