Q. The time constant of the circuit after the switch shown in the figure is opened is

View solution

Q. Two passive elements are connected in series and a dc voltage is applied to the circuit. The time variation of the current is shown in figure. The two elements are

View solution

Q. The equivalent resistance between terminals x and y figure

View solution

Q. Find Vth in the circuit

View solution

Q. The equivalent inductance measured between the terminals 1 and 2 for the circuit shown in the figure is

View solution

Q. In the circuit, S was initially open. At time t = 0, S is closed. When the current through the inductor is 6 A, the rate of change of current through the resistor is 6 A/s. The value of the inductor would be

View solution

Q. If V = 4 in the figure, the value of Is is given by

View solution

Q. The voltage of the source in circuit shown __________ if i(t) = - 20e^(-2t) is

View solution

Q. The Gaussian filter characteristic figure is realizable.

View solution

Q. The circuit is figure, is in steady state with switch closed. At t = 0 switch is opened. The current i is

View solution

Q. In the circuit shown, the steady state is reached with S open S is closed at t = 0, the current I in the 1 Ω resistor connected is to be determined at t = 0+ is given by

View solution

Q. In figure, VAB =

View solution

Q. In figure, the effective resistance across AB is

View solution

Q. For the wave shown in figure, the average value is

View solution

Q. The dc voltage applied to an R-L series circuit is suddenly changed from V1 to V2. The expression for transient current is

View solution

Q. For the following circuit a source of V1(t) = e^(-2t) is applied, then the resulting response V2(t) is given by

View solution

Q. In figure, the current I4 is

View solution

Q. For the circuit shown in the figure, the current I is

View solution

Q. The current voltage relation for an inductance L is

View solution

Q. In figure, the steady state current through 1H inductance is

View solution