Q. The dc voltage applied to an R-L series circuit is suddenly changed from V1 to V2. The expression for transient current is

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Q. For the following circuit a source of V1(t) = e^(-2t) is applied, then the resulting response V2(t) is given by

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Q. In figure, the current I4 is

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Q. For the circuit shown in the figure, the current I is

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Q. The current voltage relation for an inductance L is

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Q. In figure, the steady state current through 1H inductance is

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Q. Impedance Z as shown in the given figure is

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Q. In figure, the value of R should be

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Q. In figure the open circuit emf is

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Q. If

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Q. The pole zero diagram of an impedance Z has a pole at s = - 6 and zero at s = - 4 as shown in figure the constant multiplier k = 1. For a signal Is = cos 6t, the steady state voltage across Z is given in magnitude as under

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Q. In the circuit of figure the current through 5 Ω resistance at t = 0+ is

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Q. v-i relation for a capacitor is

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Q. The time constant of the circuit in figure is

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Q. The damping coefficient for the given circuit is __________

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Q. For the ladder network of figure, open circuit driving point impedance at port 1 =

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Q. If Va0, Va1, Va2 are sequence components of Va and Ia0, Ia1, Ia2 are sequence components of Ia, then total 3 phase power P is given by

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Q. In the circuit of figure the current through 3 Ω resistance at t = 0+ is

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Q. Assertion (A): For networks in figure (1) and (2) sum of products of branch voltages and branch currents at any time is zero.

Reason (R): The networks in figure (1) and (2) are not the same structurally.

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Q. In the circuit of figure the switch is open for a long time, At t = 0 the switch is closed. At t = 0+ the current supplied by battery is

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