Answer / ashok

A single phase power supply has two "hot" legs or conductors which have a sine wave that are 180 degrees apart.
A three phase power supply has three "hot" conductors which have a sine wave that are 120 degrees apart.

Answer / nancy

In 3 phase,there are 3 wires from line and neutral but in 2
phase only two live wire are there

Answer / lovkush rastogi

A single phase has no neutral point but A three phase has neutral point,
so,that causes a single phase indutoin motor doesn't self start & A/C to the three phase wireing of domestic houses in three phases.

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1 Answers   Mukand,

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how the global warming take place?

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2 Answers  

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