In the following circuit, find i(t) and i(t) for t> 0. 20 Ω www + 4 A 20 H 20 Ω 8 mF ν 30u(-t) V
In the following circuit, find i(t) and i(t) for t> 0. 20 Ω www + 4 A 20 H 20 Ω 8 mF ν 30u(-t) V
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:Example 2
In the following circuit, find i(t) and i(t) for t> 0.
t=0
20 Ω
ww
+
4 A
20 H
20 Ω
8 mF
ν
30u(-t) V
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Step 1: Determine the current through inductor and resistor for t>0:
VIEWStep 2: Find current through the inductor for t<0:
VIEWStep 3: Find initial voltage across capacitor:
VIEWStep 4: Analyze the 2nd order parallel R-L-C circuit:
VIEWStep 5: Find the case of damping:
VIEWStep 6: Find the equation of current i(t) with unknown coefficients:
VIEWStep 7: Find current i(t) for t>0:
VIEWStep 8: Find current through the resistor for t>0:
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