Exam (elaborations)
Alternating Current 001
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Alternating Current 001 r.m.s. value of current i = 3 + 4 sin ( t + /3) is: (1) 5 A (2) 17 A (3) A (4) A 2. The peak value of an alternating e.m.f E given by E = E0 cos t is 10 volt and frequency is 50 Hz. At time t = (1/600) sec, the instantaneous value of e.m.f is : (1) 10 volt (2) 5 3 volt...
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