Q. A resistance coil has self inductance L, resistance R and capacitance C. The impedance across the coil is

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Q. In figure, the current iL at t = ∞ is

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Q. In figure, the battery has remained switched on for a long time. At t = 0 the switch is closed. The current i(t) is likely to be

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Q. A resistance R is connected to a voltage source Vs having internal resistance Rs. A voltmeter of resistance Rm is used to measure the voltage across R. The voltmeter will read

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Q. In the circuit shown in figure, for different values of R, the values of V and I are given. Other elements remaining the same. when R = ∞, V = 5 volt

1. R = 0, I = 2.5 A
2. R = 3 Ω, the value of V is given by

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Q. In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and I is

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Q. Given Is = 20 A, Vs = 20 V, the current I in the 3 Ω resistance is given by

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Q. For the three coupled coils shown in figure, KVL equation is

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Q. Figure shows a dc circuit. The Thevenin's equivalent circuit at terminals a - b is

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Q. The dependent current source shown in given figure.

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Q. The current flowing through the resistance R in the circuit in the figure has the form 2 cos 4t, where R is

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Q. A triangular Pulse of 10 V peak is applied to a capacitor of 0.4 F. The change of the capacitor and its waveform is

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Q. In figure, the current after a long time after closing of switch is

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Q. In figure, power in 6 Ω resistor is zero then V =

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Q. The Thevenin's equivalent of network in figure(1) is a 10 V source in series with 2 Ω resistance. If a 3 Ω resistance is connected across AB as shown in figure(2) the Thevenin's equivalent is

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Q. In the circuit shown in the figure, the current supplied by the sinusoidal current source I is

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Q. If figure, power dissipated in 30Ω resistance will be maximum when value of R =

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Q. In the following non-planar graph no.of independent loop equations are

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Q. For an RLC series circuit, Z(s) will be of the form of

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Q. In the circuit shown in the figure, steady-state was reached when the switch S was open. The switch was closed at t = 0. The initial value of the current through the capacitor 2 C is

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