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An alternating voltage, V=2002sin100t+π3 is applied across an inductor of inductance 50 mH. The r.m.s. value of current (in A) in the circuit is _____

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Important Questions on Alternating Current

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The resonance frequency of a certain RLC series circuit isω0. A source of angular frequency 2ω0 is inserted into the circuit. After transients die out, the angular frequency of current oscillation is
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In the circuit shown, the readings of voltmeters V1, V2 and V3 are given by

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In the circuit shown in figure, what will be the readings of voltmeter and ammeter?

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A resistor of resistance R, capacitor of capacitance C and inductor of inductance L are connected in parallel to AC power source of voltage E0sinωt. The maximum current through the resistance is half of the maximum current through the power source. Then the value of R is
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In the figure, if IL=0.8 A,IC=0.6 A, then I=?

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A resistance and ideal inductor is connected in the A.C. circuit. HereV1, V2and V3 are the reading of three hotwire ideal voltmeter

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For the circuit shown in figure the rms value of voltage across R and coil are E1 and E2 respectively. The thermal power dissipated in coil is

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An inductor L, capacitor C and a resistor R may be connected to an ac source in different combinations of RC, RL and RLC in series. The frequency of ac source is such that XL=XC, if power drawn by three combinations are P1, P2 and P3 respectively then