Biomedical Engineering Reference
In-Depth Information
26.
The switch has been in position
a
for a long time. At
t
¼
0, the switch instantaneously moves
to position
b
. Find
v
c
and
i
1
for
t
>
0.
a
i
1
t = 0
5
Ω
b
+
v
C
−
10 V
10
2 F
Ω
27.
The switch has been in position
a
for a long time. At
t
¼
0, the switch instantaneously moves
to position
b
. Find
v
c
and
i
1
for
t
>
0.
a
i
1
t = 0
b
12
Ω
8 A
40
Ω
40
Ω
10
Ω
+
v
C
−
10 F
28.
The switch has been in position
a
for a long time. At
t
¼
0, the switch instantaneously moves
to position
b
. Find
v
c
and
i
1
for
t
>
0.
a
i
1
t = 0
5
Ω
b
+
+
20 V
4
2i
1
3 F
12
Ω
v
C
−
Ω
−
29.
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
1
þ
3
u
ð
t
Þ
A.
i
L
+
v
C
−
i
s
5
Ω
4 H
3 F
Continued
