Q. Assertion (A): A sweep circuit operates by virtue of recurring transient phenomenon.

Reason (R): Transients are always undesirable.

View solution

Q. Which one is a non-causal system?

View solution

Q. A linear system is characterized by H(ω) = Be^(-2ω²) the system is physically

View solution

Q. The current in a circuit with 10 Ω resistance is i = 3 + 4 sin (100 t + 45°) + 4 sin (300 t + 60°) A. The rms current and power dissipated are

View solution

Q. Fourier transform pair are

View solution

Q. A voltage wave is i = 100 sin (ωt). Its average value calculated over one half cycle is

View solution

Q. An RLC series circuit has a variable inductance. The value of L for resonance conditions at fundamental frequency is 0.18 H. For resonance conditions at third harmonic frequency the value of inductance is

View solution

Q. which of the following is not correct?

View solution

Q. If function f(t) has an initial value f(0¯) at t = 0¯, the Laplace transform of d[f(t)]/dt is

View solution

Q. If f(t) = - f(- t) satisfies Drichlet conditions, then f(t) can be expanded in Fourier series containing

View solution

Q. Transfer function of a linear system is 200 e^(-j10ω) The system is a

View solution

Q. which one is discrete time periodic signal?

View solution

Q. Frequency domain of a periodic triangular function is a

View solution

Q. A signal is sampled at Nyquist rate fs = 2f0. The function can be recovered from its samples only. If it is a

View solution

Q. A voltage wave is v = 50 sin ωt. Its average value calculated over full one cycle is

View solution

Q. If f1 (t) and f2 (f) are two functions of time and a and b are constants, then

View solution

Q. The z transform of x(n) = ∪(n)

View solution

Q. Fourier transform of f(t) =

View solution

Q. In the state equation x = AX + Bu is a n x m matrix.

View solution

Q. If f(x) = x/2 , 0 < x < 3 = 0 otherwise find E(X)

View solution