Biomedical Engineering Reference
In-Depth Information
30.
Find
i
L
and
v
c
for
t
>
0 for the following circuit if (a)
v
s
¼
5
u
ð
t
Þ
V; (b)
v
s
¼
5
u
ð
t
Þþ
3V.
+
v
C
−
i
L
2
Ω
1.5 F
+
v
C
4 H
−
31.
Find
i
L
and
v
c
for
t
>
0 for the following circuit if (a)
i
s
¼
3
u
ð
t
Þ
A; (b)
i
s
¼
3
u
ð
t
Þ
1A.
+ v
C
−
i
L
1 F
i
s
4
Ω
10 H
32.
For the following circuit we are given that
i
L
1
ð
0
Þ¼
2A,
i
L
2
ð
0
Þ¼
5A,
v
c
1
ð
0
Þ¼
2V,
e
2
t
u
ð
t
Þ
v
c
2
ð
0
Þ¼
3 V, and
i
s
¼
2
A. Use the node-voltage method to find
V
b
for
t
>
0.
+
v
C
1
−
1
Ω
2 F
+
i
L
2
i
L
1
+
v
C
2
2 F
3 H
−
3
v
b
2 H
i
s
Ω
1
Ω
