Alternating Current

Related Questions

• The value of the current through an inductance of $1H$ and of negligible resistance, when connected through an ac source of $200$ V and $50$ Hz, is

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• In a region of uniform magnetic induction $B = {10^{ - 2}}\,tesla$, a circular coil of radius $30 cm$ and resistance $\pi ^2$ ohm is rotated about an axis which is perpendicular to the direction of $B$ and which forms a diameter of the coil. If the coil rotates at $200 rpm$ the amplitude of the alternating current induced in the coil is

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• A series ac circuit consist of an inductor and a capacitor. The inductance and capacitance is respectively $1 henry$ and $25\mu F.$ If the current is maximum in circuit then angular frequency will be

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• The reactance of a $25\,\mu F$ capacitor at the ac frequency of 4000 Hz is

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• 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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