Q. The switch in figure is initially closed. At t = 0 the switch is opened. At t = 0+, the current through R is

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Q. The power dissipated in 4 Ω resistance in figure is

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Q. In the network of the figure is the maximum power is delivered to RL if its value is

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Q. A two-port network is represented by ABCD parameters given by following equation. If port is terminated by RL, then input impedance seen at port 1 is given by

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Q. In figure, the switch is closed at t = 0. At t = 0+ The value of current supplied by battery is

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Q. In the circuit shown in the figure the power dissipated in 30 Ω resistor will be maximum if the value of R is

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Q. Which of the following polynomials is not Hurwitz?

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Q. In an RLC underdamped circuit

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Q. The time constant of the network shown in figure is

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Q. A T network is inserted between source and R as shown in figure. The resistance seen by the source remains the same with or without T network when R is

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Q. The circuit shown in the figure has initial current iL(0) = 1A through the inductor and an initial voltage vc(0) = 1 V across the capacitor. For input v(t) = U(t) the Laplace transform of the current i(t) for t ≥ 0 is

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Q. In figure, the time constant for the capacitor charging is

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Q. In figure, the short circuit current through terminal AB will be

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Q. The current wave of figure, is passed through a 3 H inductor during the period 0 to 2 seconds

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Q. The minimum number of equations required to analyze the circuit shown in the figure is

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Q. The average value of periodic function v(t) in figure is

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Q. The dual of network in figure is

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Q. With Is disconnected I = - 1, when Is = b is connected, the value of I will become

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Q. In figure, the switch is closed at t = 0. After some time i = 6A and rate of change of current was 4A/s. The value of inductor is

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Q. In figure the switch has been in position 1 for a long time. At t = 0, the switch is moved to position 2. The equation for transient current is

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