Question

What is the use of neutral wire as it has no potential in it?

Answer 1

Answer:It is used as a return path of the electric current in a circuit.

Explanation:The reason behind it is very simple. The live wire has a potential difference and is responsible for bringing current from the source to the appliance. We know that in order to complete a circuit there must be a return path of the cut rent back to its source e.g,battery. Since we know current flows from higher potential to lower potential, the current after reaching the appliance, is returned back to its original source. Hence, the neutral wire is responsible for the return path of the current.

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Answer 2

Explanation:

Any remnant current or near zero potential left on the neutral wire will eventually be flowing directly to ground since the other ends of all the neutral wires are connected directly to the earth ground wire located in the main circuit panel..