Question

1) What is the criterion for selecting reference node out of various essential nodes?​

Answer 1

Answer:

To keep definition simple, node voltages are usually defined with positive polarities. Two of the nodes have 4 elements connected to them. These are the best candidates to be reference point.

Explanation:

I hope it helps you.

Answer 2

Answer:

To keep definition simple, node voltages are usually defined with positive polarities. Two of the nodes have 4 elements connected to them. These are the best candidates to be reference point.