Answer / mohamed mustafa

P=V*I
IF THE VOLTAGE VARIES CURRENT VARIES
SO THE SIZE AND INSULATION OF THE MACHINE CHANGES

What is the difference between earthed & unearthed system?

2 Answers   HCL,

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why names such like dog ,rabbit, osprey,ant are used for conductors.

1 Answers  

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DG use Rating KVA why

1 Answers  

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why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

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if ELCB and RCCB connected in series,what wiil be the result

2 Answers   BEC,

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how many types of ratings are there of transformer

5 Answers   Met Trade,

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How DC to AC convert

2 Answers   Access,

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what the different between earthing and grounding?

4 Answers  

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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what are the methods of speed control of dc motor???

4 Answers  

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How will u calculate wire size according to current rating?

2 Answers   Global Computer,

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what is negative current?

5 Answers   DTG, Siemens,

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