why white color LED light is not possible?

1 Answers  

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is ac supply can store

0 Answers  

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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Is there any decided or standard frequency to check the meager testing of transformer, DG set, LT Panel in the industries in a year. I means how many times we should be check the same.

2 Answers  

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single phase power supply give to separate one steel coup with water, what reaction create

0 Answers   Turbo,

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What is a neutral

4 Answers   Adani Ports, Dr Reddys,

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plz tell me about BACK emf and how it generates?

2 Answers  

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v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3 Answers  

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can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

0 Answers   MCB,

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WHAT HAPPENS IN DIFFERENTIAL PROTECTION IF CT REACHES ITS KNEE VOLTAGE POINT?

4 Answers   Jindal,

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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Difference between on line capacitor and Station type capacitor

0 Answers  

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