Q. Figure shows a dc circuit fed by a current source. With respect to terminals AB, Thevenin's voltage and Thevenin's resistance are

View solution

Q. In figure, the value of R should be

View solution

Q. A resistance coil has self inductance L, resistance R and capacitance C. The impedance across the coil is

View solution

Q. In figure, the current iL at t = ∞ is

View solution

Q. In figure, the battery has remained switched on for a long time. At t = 0 the switch is closed. The current i(t) is likely to be

View solution

Q. A resistance R is connected to a voltage source Vs having internal resistance Rs. A voltmeter of resistance Rm is used to measure the voltage across R. The voltmeter will read

View solution

Q. In the circuit shown in figure, for different values of R, the values of V and I are given. Other elements remaining the same. when R = ∞, V = 5 volt

1. R = 0, I = 2.5 A
2. R = 3 Ω, the value of V is given by

View solution

Q. In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and I is

View solution

Q. Given Is = 20 A, Vs = 20 V, the current I in the 3 Ω resistance is given by

View solution

Q. For the three coupled coils shown in figure, KVL equation is

View solution

Q. Figure shows a dc circuit. The Thevenin's equivalent circuit at terminals a - b is

View solution

Q. The dependent current source shown in given figure.

View solution

Q. The current flowing through the resistance R in the circuit in the figure has the form 2 cos 4t, where R is

View solution

Q. A triangular Pulse of 10 V peak is applied to a capacitor of 0.4 F. The change of the capacitor and its waveform is

View solution

Q. In figure, the current after a long time after closing of switch is

View solution

Q. In figure, power in 6 Ω resistor is zero then V =

View solution

Q. The Thevenin's equivalent of network in figure(1) is a 10 V source in series with 2 Ω resistance. If a 3 Ω resistance is connected across AB as shown in figure(2) the Thevenin's equivalent is

View solution

Q. In the circuit shown in the figure, the current supplied by the sinusoidal current source I is

View solution

Q. If figure, power dissipated in 30Ω resistance will be maximum when value of R =

View solution

Q. In the following non-planar graph no.of independent loop equations are

View solution