Q. The energy associated with a function f(t) is given below. In terms of Fourier transform, E =

View solution

Q. The distance of a synchronous satellite from Earth's surface is __________ km.

View solution

Q. A function having frequency f is to be sampled. The sampling time T should be

View solution

Q. Inverse Fourier transform of sgn (ω) is

View solution

Q. If I (s) = 5(s+250)/s(s+100) , the final value of i(t) is

View solution

Q. The signal defined by the equations f(t) = 0 for t < 0, f(t) = E for 0 ≤ t ≤ a and f(t) = 0 for t > a is

View solution

Q. Inverse Laplace transform of 2s+5 / (s²+5s+6) is

View solution

Q. Two function g1(t) and g2(t) with correlation of 6 has average power of 4 and 5 respectively. The power of g1(t) + g2(t) is

View solution

Q. A box has 4 white and 3 red balls. Two balls are taken out in succession. What is the probability that both are white?

View solution

Q. Z transform is a non-linear operation.

View solution

Q. Which one most appropriate dynamic system?

View solution

Q. An energy signal has G(f) = 10. Its energy density spectrum is

View solution

Q. In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.

View solution

Q. A signal g(t) = A then g(t) is a

View solution

Q. The Fourier series of an odd periodic function contains

View solution

Q. An impulse function consist of

View solution

Q. As per time displacement theorem in Laplace transformation, displacement in the time domain by T becomes

View solution

Q. If transfer function of a system is H(z) = 6 + z¯¹ + z¯², then system is

View solution

Q. Which one is a linear system?

View solution

Q. Which one is a causal system?

View solution