Q. In a circuit with capacitance connected to ac source, the rate of change of capacitor voltage is constant.

View solution

Q. Assertion (A): If Z1(s) and Z2(s) are positive real then Z1(s) + Z2(s) as well as 1/Z1(s) and 1/Z2(s) are positive real.

Reason (R): The poles of a positive real function are real or occur in conjugate pairs.

View solution

Q. A variable resistance R and capacitive reactance XC are connected in series. As R is varied, the locus of Z is

View solution

Q. The dual of a node is

View solution

Q. Pick the correct statement

View solution

Q. The colour on the extreme left in general purpose fixed resistors represents

View solution

Q. When a current flows through a conductor,

View solution

Q. For a series circuit of R and variable XL the admittance locus is

View solution

Q. A series RLC circuit is supplied from a variable frequency source. The resonant frequency is ω₀. The voltage across L is maximum at a frequency

View solution

Q. Current in a 2H inductance in 10e¯ᵗ A. Admittance of the inductor is

View solution

Q. A constant k low pass filter has fc = 1000 Hz. At f = 500 Hz, the phase shift is

View solution

Q. At resonance the network function magnitude will be

View solution

Q. The voltage of single phase supply to residential consumers in India is

View solution

Q. Power factor of the following circuit will be unity

View solution

Q. For an ideal transformer

View solution

Q. Kirchoff's laws are applicable to

View solution

Q. In an R-C circuit, there is an initial voltage of 3 V across the capacitor. In s domain equivalent circuit, the voltage source to take into account the initial voltage has a strength of

View solution

Q. An electrical network with 8 independent nodes will have __________ nodal equations.

View solution

Q. An RLC series circuit has Y(s) = 2s/(s-p₁)(s-p₁*). If the poles p1 and p1* are close to jω axis, then

View solution

Q. Kirchoff's laws are applicable to

View solution