why an ac solenoid valve attract the plunger eventhough we interchanges the terminal?will the ploes changes?

1 Answers  

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why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 Answers  

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

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how can we find CT coil not working ?

7 Answers  

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why noise occurn when transformer is working ?

1 Answers   Honda,

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I AM COMPLETED DIPLOMA IN E.E.E. AS WELL AS B.TECH IN ANDHARPRADESH.. HOW I THE Certificate of competency as Electrical Supervisor.

1 Answers  

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In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

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difference bewteen reverse current and alternating current

0 Answers   ABB,

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what is different between installation and commonissonig.

3 Answers  

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A 60W,250V bulb when connected to a 230V supply will it give more light or less or will be give normal light?

3 Answers   MahaGenco,

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Why is the earth pin in a 3-pin plug the longest and the thickest?

10 Answers   IBM,

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