Q. A system is at rest for t < 0. It is given by the following equation. If steady state is reached at t = 0, then the value of angle A is given by

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Q. In the circuit of figure the current through C at t = ∞ is

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Q. The average value of the waveform is

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Q. For the circuit in figure, fed by a unit step voltage, vc =

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Q. For the network of figure, z11 =

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Q. In figure

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Q. Figure shows a dc circuit fed by a current source. With respect to terminals AB, Thevenin's voltage and Thevenin's resistance are

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Q. In figure, the value of R should be

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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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