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In a series LCR circuit voltage across resister, inductor and capacitor are 1V, 3V and 2V respectively. At the instant t when the source voltage is given by :
V = V0 cos t, the current in the circuit will be :
V = V0 cos t, the current in the circuit will be :
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Important Questions on Alternating Current
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In an AC Circuit decrease in impedance with increase in frequency is indicates that circuit has/have :-
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In given LCR circuit, the voltage across the terminals of a resistance & current will be
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The phase of current in circuit-
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In LCR circuit, the voltage across the terminals of resistance, inductance and capacitance are and , then the voltage across the main source will be -
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For an alternating current of frequency in L- C-R series circuit with , impedance is,
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A sinusoidal A.C. current flows through a resistor of resistance . If the peak current is then the power dissipated is
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An AC circuit draws at and the power consumption is . Then the power factor is:-
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Which is not correct for average power at resonance?
