Answer Posted / anil bhatia
same as give by friend + also
# 1 In AC power system(single/three phase) in which the
current
flow is known as phase and the return path is neutral. In
three phase star system the common point where the three
phase are joined together is known as neutral.When there is
any unbalance occurs there is a flow of current in neutral
also(thats why the neutral is connected to earth to balance
it.
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