Q. In figure, the value of R should be

View solution

Q. In figure the open circuit emf is

View solution

Q. If

View solution

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

View solution

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

View solution

Q. v-i relation for a capacitor is

View solution

Q. The time constant of the circuit in figure is

View solution

Q. The damping coefficient for the given circuit is __________

View solution

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

View solution

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