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Answer Posted / jerick
An Earth point is connected to ground by a low resistance
path so as to protect persons and electrical system from
possible voltage hazard. In case of some some
issue/accident with power supply, current passes to ground
through earthed wire ( keeping voltage on body equal to
near ground)
A Neutral point is the common point from a star connected
transformer providing low resistance return path for
current. The role of Neutral wire is to close the circuit
and carry the consumer load current (return current) back
to the transformer point) while the earth point shall
carry no current in normal situation
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