Why no-load primary current is very small as compared to full load current in transformer (as 1% of full load current?

5 Answers   NTPC,

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why colour of electrical equipment( like transformer) is grey

10 Answers   Trident,

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a wire in which bulb is connected there is two terminal when one terminal is connected to phase than why the value of current shock in nutral terminal is max. or large??

4 Answers  

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Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

0 Answers   Bajaj,

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what is power system.........?

1 Answers  

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What is corona ? Mention its positve effects .

1 Answers  

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Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

0 Answers  

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What is the Difference Between MCCB & ACB & VCB

4 Answers   ABB,

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difference between load bus and dead bus?

4 Answers  

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Which motor has more efficiency ;Synchoronous or Induction motor ?

4 Answers   TATA,

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In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers  

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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