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

View solution

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

View solution

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.

View solution

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

View solution

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 =

View solution

Q. For the two port of figure, z11 is

View solution

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

View solution

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

View solution

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

View solution

Q. In figure, the total power consumed is

View solution

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

View solution

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

View solution

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?

View solution

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

View solution

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

View solution

Q. For the two port of figure, z22 is

View solution

Q. In figure readings of the two voltmeters should be

View solution

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

View solution

Q. In the circuit of figure

View solution

Q. Figure shows a pole zero plot of I(s). The likely current response in time domain is

View solution