Q. In a purely resistive circuit the instantaneous power varies from zero to maximum twice in each cycle.

View solution

Q. In a series resonant circuit, the resonant frequency is

View solution

Q. If a function Z(s) has a pole at infinity, then

View solution

Q. A circuit said to be lumped when physical dimensions of all the component are __________ .

View solution

Q. RMS value of a square wave is the same as peak value.

View solution

Q. Out of Metal-film type and Carbon-film type, the one with better tolerance specification is

View solution

Q. The current flowing through a pure capacitor is called displacement current.

View solution

Q. An active network has

View solution

Q. Which of the following material has nearly zero temperature-coefficient of resistance?

View solution

Q. Poor power factor

View solution

Q. If two networks are cascaded then

View solution

Q. When a series RL circuit is switched on to a dc voltage, the rate of change of current is maximum at t = 0.

View solution

Q. At very low frequencies a series R-C circuit behaves as almost purely __________ .

View solution

Q. In a composite filter terminating half sections are used for impedance matching.

View solution

Q. The bridge is balanced when the value of R is

View solution

Q. When a series RL circuit having power factor angle 0 is switched on to an ac voltage Vm sin (ωt + Φ), the transient term is zero if Φ = 0.

View solution

Q. A series resonant circuit is capacitive at f = 150 Hz. The circuit will be inductive somewhere at

View solution

Q. A current increasing at the rate of 1A/s is passed through a 1 H inductor. At t = 0, i = 0. The flux linkages after 1 sec are

View solution

Q. When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.

View solution

Q. In a Parallel connection of circuit the bandwidth in terms of R, L, C is

View solution