Q. In a series R-L-C circuit at the resonant frequency the

View solution

Q. The dual of a loop is

View solution

Q. If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be

View solution

Q. Consider the following statements :

1. Tellegen's theorem is applicable to any lumped networks.
2. The reciprocity theorem is applicable to linear bilateral networks.
3. Thevenin's theorem is applicable to two- terminal linear active networks.
4. Norton's theorem is applicable to two-terminal linear active networks.

Which of these statement are correct?

View solution

Q. An RLC series circuit is excited by a step voltage E. The units of roots of characteristic equation are

View solution

Q. An excitation is applied to a system at t = T, and its response is zero for -∞ < t < T, such a system is

View solution

Q. Substitution theorem applies to

View solution

Q. An R-L circuit has an initial current of 5 A. In the s-domain equivalent circuit, the voltage source to take into account the initial current has a strength of

View solution

Q. A function f(t) = k is

View solution

Q. Transient current in a loss free LC circuit when excited from an ac source is an __________ sine wave.

View solution

Q. If the transfer function has zeros only on jω axis or in left half plane, it is a minimum phase function.

View solution

Q. In a 5.6 ohms, ± 10% carbon composition resistor, the colour of the third strip from extreme left is

View solution

Q. Assertion (A): Most of magnetic circuits have an air gap.

Reason (R): An air gap has high reluctance.

View solution

Q. The total lumens emitted by a source of 1 candle are

View solution

Q. In an electrochemical process the mass of material deposited at an electrode is proportional to

View solution

Q. Choose the correct option

View solution

Q. What would be the rms value of a sine wave having the same peak value as that of the above mentioned periodic wave?

View solution

Q. Which of the following is true for RC impedance?

View solution

Q. The impedance of a coil above self-resonant frequency is

View solution

Q. Wire-wound resistors are unsuitable for use at high frequencies because they

View solution