Alternating Current

Related Questions

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• There is a $5\Omega $ resistance in an ac, circuit. Inductance of 0.1H is connected with it in series. If equation of ac e.m.f. is $5\sin 50t$ then the phase difference between current and e.m.f. is

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• An inductive circuit contains a resistance of $10$ ohm and an inductance of $2.0$ henry. If an ac voltage of $120$ volt and frequency of $60$ Hz is applied to this circuit, the current in the circuit would be nearly

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• The peak value of an alternating e.m.f. E is given by $E = {E_0}\cos \omega \,t$ is 10 volts and its frequency is $50 Hz$. At time $t = \frac{1}{{600}}sec$, the instantaneous e.m.f. is

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