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In circuit analysis, how many different types of reference nodes are used?

36. In circuit analysis, how many different types of reference nodes are used?

1. 5
2. 4
3. 3
4. 2

Answer: D) 2

Explanation:

A reference node in electrical circuit analysis, is a specified node used as a reference point for measuring voltages and currents in a circuit. Chassis ground and earth ground are the two sorts of reference nodes.