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Question

The number of wires in a three phase supply line is

A
3 live wires and 3 neutral wires
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B
3 live wires and 0 neutral wire
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C
1 live wire and 3 neutral wires
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D
3 live wires and 1 neutral wire
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Solution

The correct option is D 3 live wires and 1 neutral wire
Three phase supply is given in the areas having high electricity requirement like industries, factories etc. To be able to bear heavy loads 3 phase supply has 3 live wires to carry the current and one neutral wire.

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