4th November 2019

wikipedia
11

What is the super node?

In circuit theory, a supernode is a theoretical construct that can be used to solve a circuit. Supernodes containing the reference node have one node voltage variable. For nodal analysis, the supernode construct is only required between two non-reference nodes.

Considering this, what is meant by ground node?

In electronics, a virtual ground (or virtual earth) is a node of a circuit that is maintained at a steady reference potential, without being connected directly to the reference potential.

What is a principal node?

The steps in the nodal analysis method are: Count the number of principal nodes or junctions in the circuit. Call this number n. (A principal node or junction is a point where 3 or more branches join.
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