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Signal and systems miscellaneous

Signals and Systems

  1. The Laplace transform of i(t) is given by
    I(s) =
    2
    s(1 + s)

    As t → ∞ the value of i(t) tends to—
    1. 0
    2. 1
    3. 2
Correct Option: C

lim
L{l(s)} =
lim
sl(s)
t → 0 s → 0

=lim
s → 0
s.
2
s(1 + s)

=lim
s → 0
2
= 2
1 + s

Alternative (C) is the correct choice.



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