what is the formulae of calculating voltage drop?

2 Answers  

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sir, is there any ratio,this much of A.C volt is equal to D.C voltage

3 Answers  

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what happens to the water pump if ground water level is slowly decreasing?our water pump is varying from no-load full-load due to this problem

0 Answers  

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how to checking earth restence with earthtester

1 Answers   NTPC,

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why grid failure happens?

1 Answers  

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HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

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what do you mean by earth fault in transformer?

2 Answers   L&T, UPL,

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what will happen when ac is applied resistor,inductor,capcitor?

1 Answers  

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can you plz send l&t aptitude questions if available its urgent plz plz plz

0 Answers   HPCL,

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