Alternating Current

Related Questions

• Alternating current can not be measured by dc ammeter because

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• A generator produces a voltage that is given by $V = 240\sin 120\,t$, where t is in seconds. The frequency and r.m.s. voltage are

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• In the circuit shown below, the ac source has voltage $V = 20\cos (\omega t)$ volts with $\omega $= 2000 rad/sec. the amplitude of the current will be nearest to

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• 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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• 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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