why neutral is required in electrical system

3 Answers   Bhel,

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Differance between ELCB and RCCB?

8 Answers  

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howmany insolaters needed in 66kv line

9 Answers   Essar, L&T,

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in an open circuit. test there is no load curent.. but secondary. ia open then no urrent have to flow but there a smaller current flows why?

4 Answers   Rubber Park,

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what is the purpose of commutator in DC motor?

3 Answers  

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What is the difference between Analogue Addressable Systems and intelligent Addressable Systems

1 Answers  

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400 kvtransmission lines in india are connected in star or delta

10 Answers   NTPC,

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what is form factor.and rms value..

1 Answers   IIM, Torrent Power,

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why is used for starters for staring motors?

6 Answers   Amrapali, L&T,

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What is flow meter?

2 Answers  

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Brief working principle of fluorcent tubelight,function of starter & choke.

3 Answers   Havells,

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How does a system control centre in a utility plant gets the grid frequency of the electrical network (50 Hz or 60 Hz)by the SCADA system?

1 Answers  

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