how to calculate mf when meter and cTPT detail are given

0 Answers   IBM,

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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which have higher efficiency transformer or induction moter

8 Answers   BARC,

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What is the main purpose of relay?

1 Answers  

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how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

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what is transformer

5 Answers   Aegis,

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What is the operating principle of turbo-generator.

0 Answers  

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why the neutral point is zero in star connection?

4 Answers  

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What is meant by Floating Neutral? how to prent

7 Answers  

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HOW TO DO GRID EARTHING IN INDUSTRIES FOR A PRODUCTION BUILDING

3 Answers   Timken,

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TYPES OF TEMPERING OF ENERGY METER

1 Answers  

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explain the function of brush less dc motor?

0 Answers   Bhel,

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