The network is redrawn in Fig. 4-4(b) and node3selected as the reference for voltagesV1 andV2 . KCL requires that the total current out of node 1 be zero:
The network is redrawn in Fig. 4-4(b) and node3selected as the reference for voltagesV1 andV2.KCL requires that the total current out of node 1 be zero: