Question

12. Potential difference between live wire and neutral wire is
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Answer 1

Answer:

phase conductors and one is neutral conductor, which is earthed near the transformer. So the potential of neutral conductor is zero. ... Hence the potential difference between live wire or phase conductor and the neutral, which is called the phase voltage is (415/ 1.732 i.e. root3) 240 volt and not 220.

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Answer 2

Answer:

Potential difference between live wire and neutral wire is 220V. An electric fuse is placed in the path of the phase wire before it is connected to the electric meter.