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The capacity of a pure capacitor is 1 F. What will be its effective resistance in the D.C. circuit?
 

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Important Questions on Electromagnetic Induction

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A coil of self inductance 1π henry is connected in series with a 300 Ω resistance. A voltage of 200 V at frequency 200 Hz  is supplied to this combination. The phase difference between the voltage and the current will be,
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A 20 V A.C. is applied to a circuit, consisting of a resistance and a coil with a negligible resistance. If the voltage across the resistance is 12 V, the voltage across the coil is,
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The reactance of capacitor at 50 Hz is 10 Ω. What will be its reactance at 200 Hz?
 
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The reactance of a capacitor in an A.C. circuit is 10 Ω. If the frequency of A.C. is doubled, its reactance will become, 
 
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The inductive reactance of a coil is 1000 Ω. If its inductance and the frequency of A.C. supply are both doubled, then the reactance will become,
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In a series A.C. circuit, R=100 Ω, XL=300 Ω and XC=200 Ω. The phase difference between the applied e.m.f. and the current will be,
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The e.m.f. of A.C. source in L-C-R circuit shown in the figure is,

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An inductive coil has a resistance of 100 Ω when an A.C. source of frequency 1000 Hz is applied to the coil, the applied voltage leads the current by 45°. The inductance of the