Question: A balanced 3 - phase, 4 - wire supply system consists of three phase wires and a neutral wire. If a balanced 3 - phase

A balanced 3-phase, 4-wire supply system consists of three phase wires and a neutral wire. If a balanced 3-phase star-connected load is connected to the supply system, what is the current in the neutral wire?
a. The current in the neutral wire is equal to zero
b. The current in the neutral wire is not equal to zero
c. The current in the neutral wire is higher than that in the phase wire.
d. None of the above
A balanced 3 - phase, 4 - wire supply system

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