Page 233 - Basic Electrical Engineering

Figure 2.158

Solution:

We have shown the current directions in the various branches of the circuit
and will apply KCL of node B, node C, and node D, respectively. Let V ,
B
V , V be the voltages at these nodes.
C
D

We have

or,

2V − V − 10 = 0 (i)
B
C

Then

I = I + I at node C
5
4
3
Putting values

or,