3.3 Nodal Analysis with
Voltage Source (6)
Example 7
– circuit with two independent voltage
sources
-i
1
-i
2
+ i
3
= 0
-i
3
-i
5
-i
4
+ i
1
= 0
v
1
-20-v
2
= 0
v
3
-3v
x
-v
4
= 0
