Q. In the circuit of figure, the switch is closed at t = 0. At t = 0⁺ the current through C is

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Q. In the figure shown, A1, A2, A3 are identical Ammeters. If A1 and A3 read 5 and 13 A respectively, reading of A2 will be

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Q. An infinite ladder is constructed with 1 Ω and 2 Ω resistors shown below.

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Q. In the circuit of figure the voltage across capacitor when switch is closed at t = ∞ is

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Q. In the series circuit shown in figure, for series resonance, the value of the coupling coefficient, K will be

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Q. The degree of the nodes 1, 2, 3, 4 is

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Q. A series RL circuit has Z(s) = 1/s+4 . If a voltage 4 sint + 4t is applied, the steady state current will be

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Q. The circuit in figure will act as ideal current source with respect to terminals A and B when frequency is

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Q. The time constant of the circuit in figure shown.

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Q. In the circuit shown in given figure, the values of i(0+) and I(∞), will be respectively

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Q. The current wave shape shown in figure (1) is applied to a circuit element. The voltage across the element is shown in figure (2). The element is

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Q. In figure, the current supplied by battery immediately after switching on the circuit is

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Q. In the given circuit, viewed from AB, the circuit can be reduced to an equivalent circuit as

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Q. For the network of figure KVL for first loop is

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Q. In the circuit shown in figure the current I of sinusoidal source is

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Q. In figure the voltage drop across the 10 Ω resistance is 10 V. The resistance R

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Q. An ideal transformer has a turn ratio of 2 : 1. Taking hv side as port 1 and lv side as port 2, transmission parameters of transformer are

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Q. The voltage e0 in the figure

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Q. The distance between the plates of a parallel plate capacitor is d. The dielectric is in two parts, each of equal thickness but dielectric constants ∈1 and ∈2 respectively. The total capacitance will be proportional to

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Q. In figure, the capacitor is charged to 1 V. At t = 0 the switch is closed so that i = e^(-t). When i = 0.37 A, the voltage across capacitor is

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