Q. The following table gives some Laplace transforms and the functions.

f(t) F(s)
1. δ(t) s
2. u(t) 1/s
3. tu(t) 2/s²
4. t²u(t) 2s³

Of these the correctly matched pairs are

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Q. The Laplace transform of a function f(t) u(t) is __________ where f(t) is periodic with period T, and y(S) times the L.T. of f(t) for first period. Then

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Q. What are the ABCD parameters of the single elements circuit given below?

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Q. If Ia, Ib, Ic are line currents and Ia0 is the zero sequences component of Ia then

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Q. If a resistance R of 1 Ω is connected between A and B in figure, current flowing through R is

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Q. The circuit shown in figure is a

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Q. The current I flowing in the branch is

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Q. In figure, the ratio V(s)/I(s) is

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Q. If figure, I = 2A if R = 20 Ω. When R = 10 Ω current I is

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Q. Pick the correct statement with respect to following figure.

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Q. A series RL circuit is switched on to an impulse. A δ(t) at t = 0. Then

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Q. In figure, the switch is initially open. At t = 0 switch is closed. vc (0+) and iL (0+) are

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Q. Consider the following two statements:

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Q. For the network of figure, [z] matrix is

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Q. Which one of the following parameters does not exist for the two port network shown in the given figure?

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Q. For the circuit of figure, the time constant is

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Q. A pole zero plot of a filter is shown in figure. It is

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Q. In an idealized half wave rectified system the average and r.m.s. values of voltage are __________ respectively.

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Q. Which of the following is correct? The circuit shown in the figure.

1. is reciprocal but not symmetrical
2. is not reciprocal but symmetrical
3. both reciprocal and symmetrical
4. neither reciprocal nor symmetrical

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Q. For an m-derived high pass filter

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