Q. Consider the following expression for the driving point impedance

1. It represent on LC circuit
2. It represent on RLC circuit
3. It has poles lying on the jω axis
4. It has a pole at infinite frequency and a zero at zero frequency.

Which one of the statement given above are correct?

View solution

Q. The polarities of the magnetised iron rod of are

View solution

Q. For node 2 in figure, KCL equation is

View solution

Q. Which one of the following is positive real function?

View solution

Q. If admittance of a circuit is defined by following equation, then at resonance

View solution

Q. If impedance of a circuit is defined by the following equation, then circuit is said to be in resonance if

View solution

Q. In figure, the current I

View solution

Q. An RLC series circuit is excited by a step voltage E. The initial current through L is i (0-). In the s domain circuit the element L will be replaced by

View solution

Q. In low pass filter of figure R0 = 1 Ω and cut off frequency is 1 rad/sec. The values of L and C are

View solution

Q. In figure, the power dissipated in 4 resistance is P1 and power associated with 3 A source is P2. Then

View solution

Q. The network shown in figure is

View solution

Q. Which of the under-given graphs shown in figure gives variation in resistance of a copper conductor with temperature?

View solution

Q. The response shown in figure is

View solution

Q. As x is increased from - ∞ to ∞, the following function

View solution

Q. Which of the following expressions is true for apparent power in an A.C. circuit?

View solution

Q. In figure, the short circuit current through terminal AB will be

View solution

Q. In the circuit shown the voltage Vs has a phase angle of __________ with respect to VL.

View solution

Q. The ideal voltmeter V of figure will read __________ volt.

View solution

Q. The circuit of figure is generally employed as a

View solution

Q. The phase velocity v in a transmission line is

View solution