Alternating Current

Related Questions

• If a current I given by ${I_0}\sin \,\left( {\omega \,t - \frac{\pi }{2}} \right)$ flows in an ac circuit across which an ac potential of $E = {E_0}\sin \omega \,t$ has been applied, then the power consumption P in the circuit will be

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• Power factor is maximum in an LCR circuit when

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• A sinusoidal ac current flows through a resistor of resistance R. If the peak current is${I_p}$, then the power dissipated is

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• In a series LCR circuit, operated with an ac of angular frequency $\omega $, the total impedance is

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• For an ac circuit $V = 15\sin \omega t$ and $I = 20\cos \omega t$ the average power consumed in this circuit is

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