Q. If Laplace transform of f(t) is F(s), then £ f(t - a) u (t - a)= 0

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Q. Assertion (A): The modified ramp function of the given figure can be represented s sum of two ramp functions of the given figure.

Reason (R): If f(t) = t, F(s) = 1

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Q. Energy density spectrum of x[n] = aⁿ∪[n] for -1 < a < + 1 is

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Q. Z transformer of

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Q. Energy density spectrum of a gate GT(t) function is

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Q. For the system in the given figure

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Q. The Laplace transform of the waveform shown in the below figure is

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Q. Laplace transform of e^(at) cos (at) is

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Q. The value of the following equation in + ve sense is

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Q. The amplitude of the first odd harmonic of the square wave shown in the given figure is

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Q. The inverse Laplace transform of 1 / (s+1)³ is

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Q. The final value of following is

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Q. Let the Fourier transform of y(n) be given by below equation, then y(e^(j0)) is

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Q. The value of following Integral is equal to

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Q. The z transform of sequence x[n] = {2, 4, 3, 2}

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Q. For the function u(t - a) = 0 for t < a and u(t - a) = 1 fort ≥ a, the Laplace transform is

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Q. Consider the following statements :

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Q. The value of following Integral is equal to

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Q. Consider the following two statements :

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Q. A rectangular pulse train s(t) is shown in figure is convolved with the signal cos²(4π x 10³t). The convolved signal will be a

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