Answer / sundar

Dc system direct current or direct voltage system.This is getting pulse depend from incoming source.
Single phase system giving pulse positive and negative pulse but positive single pulse only negative ground.Two phase system giving four pulse ..
Negative pulse like ground.If you touch negative when circuit is not closed no effect?O effect?

how many mega ohms insullation of the cable can't be use when testing with megger tester for Low voltage cable 240V use?

3 Answers  

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Why is reating of t/f in kva but for inverter in kw ?

3 Answers   UPPCL,

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how many desk top computer can connect to a 25kva 3phase generator?

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how to diffrentiate between ac & dc motors from a distance

5 Answers  

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What information we need to prepare relay coordination chart

0 Answers  

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which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

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how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

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what is the formula to find battery back up of ups?

3 Answers  

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why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

3 Answers  

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pls send me some of the solved question booklet of Junior Engineer -2 (ELE) in RRB

1 Answers   RRB,

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Is voltage & potential transformer are the same? Are they used for same application ?

11 Answers  

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Which pump set is more suitable and economical for liftingwater from 300Mtr borewell? A. Compressor Pump B. Submersible Pump C. Jet Pumps D. 25HP Centrifugal Pump Q. from PSC Test 22-11-2008 Meter reader

8 Answers  

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