what role neutral plays in electrical circuit? If neutral is
not there what will be the effect
Since the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely related. Under certain conditions, a conductor used to connect to a system neutral is also used for grounding (earthing) of equipment and structures. Current carried on a grounding conductor can result in objectionable or dangerous voltages appearing on equipment enclosures, so the installation of grounding conductors and neutral conductors is carefully defined in electrical regulations. Where a neutral conductor is used also to connect equipment enclosures to earth, care must be taken that the neutral conductor never rise to a high voltage with respect to local ground.
Neutral is a circuit conductor that carries current in normal operation, which is connected to ground (or earth).
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