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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Q. An RL series circuit is initially relaxed. A step voltage E is applied. If t is time constant, voltage across R and L will be equal at t =

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Q. For the two port of figure, z11 is

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Q. If the π and T circuits in figure are equivalent, then R1, R2, R3 respectively are

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Q. In the circuit, Vs = 10 cos ωt, power drawn by the 4Ω resistor is 8 watt. The power factor is

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Q. The circuit in figure, is to be scaled to an impedance level of 5kΩ and resonant frequency of 5 x 10⁶ rad/sec. The possible combination of R, L, C is

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Q. In figure, the total power consumed is

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Q. In the circuit of figure, the source supplies, 2.25 mA. The value of R must be

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Q. In figure, i(t) is a unit step current. The steady state value of v(t) is

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Q. In figure, capacitor is used to develop pulses of short duration and large duty cycle across R2 when switch is closed. Which of the following combinations is best suited?

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Q. In figure, which value of ZL will cause maximum power to be transferred to the load?

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Q. In following circuit, steady state is reached with S open, S is closed at t = 0, the current I at t = 0+ is given by

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Q. For the two port of figure, z22 is

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Q. In figure readings of the two voltmeters should be

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Q. In the circuit of figure, the current through battery E3 is

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Q. In the circuit of figure

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