Q. In figure, the switch is closed at t = 0 when current through inductor is 6 A, the rate of change of current through resistor is 6 A/s. The value of L is

View solution

Q. In figure, the switch is closed at t = 0. At t = 0+, di/dt = 4 A/s. Then V =

View solution

Q. In figure V is ideal voltmeter having infinite resistance. It will read __________ volt.

View solution

Q. The equivalent inductance seen at terminals A - B is

View solution

Q. For the R-L circuit shown in the figure, the input voltage vi(t) = U(t). The current i(t) is

View solution

Q. A parallel plate capacitor has plate area A and distance between the plates is d. It has two dielectrics each of thickness d and area 0.5 A. The dielectric constants are ∈1 and ∈2. The total capacitance is given by the equation

View solution

Q. Which of the following theorems can be conveniently used to find power consumed in 10 Ω resistor in figure?

View solution

Q. In the circuit of figure is

View solution

Q. The VTH at terminals A and B is equal to

View solution

Q. The circuit in figure, the switched on at t = 0. After a long time the current through 5 Ω resistance is

View solution

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

View solution

Q. In an infinite ladder Ckt as shown above each resistance of rΩ then RAB

View solution

Q. The admittance parameter Y12 in the 2 port network in the figure

View solution

Q. The differential equation for the current i(t) in the Ckt is

View solution

Q. The low pass filter characteristic shown in figure realizable.

View solution

Q. The filter in figure, uses ideal op-amp. It is

View solution

Q. For a rectified sinusoidal wave clipped at 0.707 its peak value (figure), the average value is

View solution

Q. Figure shows an R-L circuit. The current is i = 1 - e^(-t). The rate of change of current at t = 1 second is

View solution

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