instantaneous emf of an a.c source e=200sin314t volt.find the rms voltage.what will be the frequency of the source?
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Answer:
by comparing the given eq with standard eq.
we get
E• = 200
Erms = E°/√2....as it is sine function
Erms = 200/ √2
Erms = 100√2
w (angular velocity) = 314
2πf= 314
f= 314/ 2π
f= 50 Hz
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