Q. Maximum power from a source having internal resistance Ri is delivered to a resistive load RL, if

View solution

Q. Terra-watt is equal to

View solution

Q. The opposition of an inductor to current flow

View solution

Q. In a highly capacitive circuit the

View solution

Q. In ac circuits maximum power is delivered to a load if load impedance is conjugate of source impedance.

View solution

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