what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 Answers  

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Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

0 Answers  

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what is purpose of using reactor in substations

4 Answers   NCC,

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what is difference between multimeter and transmitter

1 Answers  

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What is the formula to calculate the rating of power cable for three phase current.

0 Answers  

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Why should we use Star-Delta connection in step down power transformers?

7 Answers   L&T,

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Diffrectiate between earthing and neutral

6 Answers   TATA,

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How to find ampere on ht side for selection of cable size ???

0 Answers  

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what is phase to phase voltage? what is line to line voltage

46 Answers   Exmar, HBL Power Systems,

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What are the advantages of star-delta starter with induction motor?

7 Answers   Merchant Navy, Naval Academy, Samundra Institute of Maritime Studies, YMCA,

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please send me last 5 year interview questions

0 Answers   ONGC,

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What is the working of Field winding in dc motor, in which part is it work or why ?

3 Answers  

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