3 For the circuit of Figure P5.41, assume that switch Sz is always open, and that switch S, has been closed for a long time and opens at t = 0. At t= t = 3t, switch Sj closes again. a. Find the capacitor voltage vc(t) at t = 0+. b. Find an expression for vc(t) for t> 0, and sketch the function. S1 R2 S2 4Ω ww R1 5Ω R3 R4 vcf) 4 A 4F 4F 32 6Ω 20 V ww

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Question
3 For the circuit of Figure P5.41, assume that switch
Sz is always open, and that switch S, has been closed
for a long time and opens at t = 0. At t= t = 3t,
switch Sj closes again.
a. Find the capacitor voltage vc(t) at t = 0+.
b. Find an expression for vc(t) for t> 0, and sketch
the function.
Transcribed Image Text:3 For the circuit of Figure P5.41, assume that switch Sz is always open, and that switch S, has been closed for a long time and opens at t = 0. At t= t = 3t, switch Sj closes again. a. Find the capacitor voltage vc(t) at t = 0+. b. Find an expression for vc(t) for t> 0, and sketch the function.
S1
R2
S2
4Ω
ww
R1
5Ω
R3
R4
vcf)
4 A
4F
4F 32
6Ω
20 V
ww
Transcribed Image Text:S1 R2 S2 4Ω ww R1 5Ω R3 R4 vcf) 4 A 4F 4F 32 6Ω 20 V ww
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