Q. If x^k = 2^k for k ≤ 0 and xk = 0 for k ≥ 0, Z transform of the sequence x is

View solution

Q. Final value theroem is for sequence x[n] is

View solution

Q. The Laplace transform of (tⁿ-1) where n is integer is

View solution

Q. The data about p the pull required to lift a weight wby a pulley block is given below. The linear law p = a + bw is

View solution

Q. Average power for following signal is

View solution

Q. Which is the Laplace transform of x(t) = -e^(2t) ∪(t) ⊕ t ∪(t)?

View solution

Q. For a signal x(t) the F.T. is X(f). Then inverse F.T of X(3f + 2) is given by

View solution

Q. An experiment is repeated N times. One event A occurs Nᴀ times. Then

View solution

Q. If f(t) is an even function, F(jω) =

View solution

Q. If Laplace transform of f(t) is F(s), then £[tf(t)] =

View solution

Q. The minimum sampling frequency in sample/sec. required to reconstruct the following signal from its samples without distortion would be

View solution

Q. The function shown in the given Figure can be written as

View solution

Q. In a network V(s) = Z(s) I(s) where V(s), Z(s) and I(s) are Laplace transforms of v(t), z(t) and i(t). The voltage v(t) is

View solution

Q. As per normal distribution the probability of an error between limits a and b is

View solution

Q. If F(jω) is the Fourier transform of f(t) then f(t) =

View solution

Q. The Laplace transform of sin ωt is

View solution

Q. If f(t) is an even function

View solution

Q. The waveform shown in the given Figure can be written as

View solution

Q. If a function f(t) is Laplace transformable, then

View solution

Q. In the given figure shows a periodic triangular wave. The Fourier series will have

View solution