what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

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what is practical efficiency of power transformer..?

1 Answers  

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what is mean by VCB colour code..???

1 Answers   Student,

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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1.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line

1 Answers  

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which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

2 Answers  

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How earth fault & earth leakage equvpment are works?

5 Answers  

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who is ohm's and his law ?

1 Answers  

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what is the term of desruptive voltage

5 Answers   Bhel, Energy Infratech,

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Why earthing transformer used in Distribution Sub-Station?

3 Answers  

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The normal highest generated voltage in India is a) 6.6KV b) 132KV c) 11KV

13 Answers  

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Anybody now how to claculate the Bescom power consumption?

1 Answers  

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