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1717.

Which one of the following pairs of poles and responses is correctly matched?

asked in Electrical Paper-1, 1997

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1718.

In the network shown in the given figure, if the voltage v at the time considered is 20 V, then dv/dt at that time will be

a. 1 V/s
b. 2 V/s
c. -2 V/s
d. zero

asked in Electrical Paper-1, 1997

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1719.

If the unit step response of a network is (1− e^−αt ), then its unit impulse response will be
a. α e^−αt
b. αe^{−t /α}
c. e^−αt/α
d. (1-α) e^−αt

asked in Electrical Paper-1, 1997

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1720.

The Laplace transform of the function i (t) is:
I(s) = (10s+4)/[s(s+1)(s²+4s+5)]. Its final value will be
a. 4/5
b. 5/4
c. 4
d. 5

asked in Electrical Paper-1, 1997

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1721.

A system is represented by
dy/dy + 2y = 4tu(t)
The ramp component in the forced response will be
a. tu (t)
b. 2t u(t)
c. 3t u(t)
d. 4t u(t)

asked in Electrical Paper-1, 1997

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1722.

Match List-I with List-II and select the correct answer:

List I (Function)
A. Unit tamp
B. Unit step
C. Unit impulse
D. Unit doublet List II (Laplace transform)
1. s
2. 1
3. 1/s
4. 1/s²

a. A→4, B→3, C→2, D→1
b. A→3, B→4, C→1, D→2
c. A→4, B→3, C→1, D→2
d. A→3, B→4, C→2, D→1

asked in Electrical Paper-1, 1997

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