what is meant by Ac & DC drives where its useful ? how its functioning ?

3 Answers  

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What is the power factor of a transformer at no load?

0 Answers  

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what is the difference between bus-coupler and bus-riser

2 Answers  

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what is the use of providing earthing for tanks? i know for lightning we use earthing ? Here one of my ONGC project there is no need of lightning protection and there is no power connection near by tank in that situation also ONGC asking earthing for tanks but we didn't understanding why they asking earthing? is anybody tell exact answer?

4 Answers  

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Why size of HT cable is less then LT cable inspite of the fact that voltage is higher in HT cable?

2 Answers   L&T,

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what is meant by reactive power ?

5 Answers  

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how to identify 3phase....r y b .A new make altnator how to identify R

2 Answers  

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How to calculate kva? what is the formula.

21 Answers   MSIL, UltraTech, Watt, Welding Aids,

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how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

0 Answers   Hindustan Unilever Limited,

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what are the highly demanded courses for electrical engg. who finished his b.tech

2 Answers  

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What is cathode ray oscilloscope (cro)?

0 Answers  

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what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

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