V(s) 1 s \/ (s) (s) ) - 3 (s) (s) (s) (s) = (s) = (s) (s) (s) (s) (s) A A (s) (s) (s) =
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Using Thevenin's Theorem:
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Irwin, Basic Engineering Circuit Analysis, 9/E
1
SOLUTION: The correct answer is d. v f (t ) K 1 2 r 2 4r 4 0 r 2 2r 2 0 2 48 r 1 j1 2 v n (t ) K 2 e t cos t K 3 e t sin t
v(t ) K 1 K 2 e t cos t K 3 e t sin t
Chapter 14: Application of the Laplace Transform To Circuit Analysis
Problem 14.FE-1
Irwin, Basic Engineering Circuit Analysis, 9/E
1
SOLUTION: The correct answer is c. 4 I ( s) 2 sI ( s ) 2 I ( s ) s 4 V s ( s ) 2 s 2 I ( s ) s V0 ( s ) 2 I ( s ) V (s) I (s) 0 2 4 V ( s) Vs ( s ) 2 s 2 0 s 2 V0 ( s ) s 2 Vs ( s ) s s 2 Vs ( s )
Chapter 14: Application of the Laplace Transform To Circuit Analysis
Problem 14.FE-2
Irwin, Basic Engineering Circuit Analysis, 9/E
1
SOLUTION: The correct answer is a. s4 I s (s) I 0 ( s) s4 3 s
I 0 (s) s( s 4) 2 I s (s) s 4s 3
Chapter 14: Application of the Laplace Transform To Circuit Analysis
Problem 14.FE-3
Irwin, Basic Engineering Circuit Analysis, 9/E
1
SOLUTION: The correct answer is b. KVL:
4s 4 s 2 I (s) s s 1
I (s)
4s 2 ( s 2 1)( s 2 2 s 4)
2
Chapter 14: Application of the Laplace Transform To Circuit Analysis
Problem 14.FE-4
Irwin, Basic Engineering Circuit Analysis, 9/E
1
SOLUTION: The correct answer is d. KVL: Vs ( s ) 4 I ( s) 2 sI ( s ) Vs ( s ) (2 s 4) I ( s ) V0 ( s) 2 sI ( s) V (s) I (s) 0 2s V s ( s ) ( 2 s 4)
V0 ( s ) 2s
V0 ( s ) s Vs ( s ) s 2
Chapter 14: Application of the Laplace Transform To Circuit Analysis
Problem 14.FE-5