Q. Maximum power transfer theorem is applicable to circuits with one source only.

View solution

Q. Two coupled coils have self inductance L1 and L2. The coefficients of coupling is k. The mutual inductance is

View solution

Q. Laplace transform method enables us to find the response in

View solution

Q. The minimum permissible size of aluminium cable for lighting circuit is

View solution

Q. Assertion (A): In a parallel circuit having two branches, each branch current may be more than source current.

Reason (R): Calculations in ac circuits use rules of complex algebra.

View solution

Q. Current density J, conductivity σ and electric field E in a conductor are related as

View solution

Q. If a driving point function N(s) = p(s)/q(s), then

View solution

Q. A function f(t) = k e^(at) is __________ for (a > 0).

View solution

Q. The peak factor is the ratio of

View solution

Q. In attenuation band, β is an odd multiple of π.

View solution

Q. In a series RLC circuit, the value of resistance for critical damping is

View solution

Q. Parallel wire transmission line is an example of

View solution

Q. A 2-terminal network consists of one of the RLC elements. The elements is connected to an ac supply. The current through the element is 1 A. When an inductor is inserted in series between the source and the element, the current through the element becomes 2 A. What is this element?

View solution

Q. Consider the following statements for a driving point function F(jω):

1. Re F(jω) is an even function of ω and is 0 or positive for all values of ω.
2. Im F(jω) is an even function of ω and is 0 or positive for all values of ω.
3. Re F(jω) is an odd function of ω and is 0 or negative for all values of ω.
4. Re F(s) = 0 for Re s = 0.

Which one of the statements given above is/are correct?

View solution

Q. Which of following is linear and bilateral parameter?

View solution

Q. Permittivity has the units of F/m.

View solution

Q. A capacitor used for power factor correction in single- phase circuit decreases

View solution

Q. Which one of the following is an active component?

View solution

Q. A h is the unit of quantity of electricity.

View solution

Q. All network theorems of dc are applicable to ac also with different quantities taken as phasors.

View solution