In the circuit of Fig. 7.99, find i(t) for t> 0 if i(0) = 2 A.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Chapter 7, Problem 19.
In the circuit of Fig. 7.99, find i(t) for t> 0 if i(0) = 2 A.
102
6 H
m
Figure 7.99
For Prob. 7.19.
Chapter 7, Solution 19.
10 S2
th
But i=i₂ + 1/2
i.e.
i₁ = 2i₂ =i
10i-1+2010
T=
0.51
=
1
' = 30 Ω
To find Rh we replace the inductor by a 1-V voltage source as shown above.
10i, -1+40i₂ = 0
and
L
R
Kth 30
=
6
i(t)= 2e-St.
40 2
= 0.2 s
"u(t) A
i₁
i₁
i=
i/2
1
30
1₂
1₂
40 Ω
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