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Unit 3 |
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N. Cotter |
PRACTICE EXAM |
1. (25 points)
a. Find f(t) if
b. Plot the poles and zeros of G(s) in the s plane
c. 
d. 
(All poles of F(s) are in the left-half plane.)
e. Write an expression for H(s).
2. (45 points)
The current source is a dc current source. After being open for a long time, the switch is closed at t = 0.
a. Write a numerical time-domain expression for v(t).
b. From the Laplace transform of v(t), find the numerical values of v(t) for t = 0+ and t → ∞.
3. (30 points)
Construct an s-domain Thevenin's equivalent to the circuit at the terminals a-b. There is no initial energy stored in the circuit.