Page 229 - Basic Electrical Engineering

Figure 2.155

Solution:

Let V and V be the potentials at node A and node B, respectively. Let the
A
B
reference node be at C. Let us assume current directions at node A as shown

in Fig. 2.156.

Figure 2.156

We will have incoming currents as equal to outgoing current, i.e.,

I + I = I (i)
3
2
1
Current,

Current,