A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 Answers  

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how the speed of the gets motor regulated. does it draw the same current on the all speed level.

0 Answers   Danko,

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which type your UPS on line,off line give the reason?

2 Answers   Roto Power,

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how will i find Transformer rating if supply voltage is 11k.v and how will i find incomer if transformer rating is 12MVA

3 Answers  

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why we are not earthing ht cable at both the ends(sending & receiving end)?

5 Answers   Essar,

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electrical knowelge

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How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

0 Answers   El Seif,

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WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?

7 Answers  

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How can transformer winding insulation be measured (Delta & Star Connections)?

3 Answers  

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There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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what is the earth resistance

4 Answers   Micron Electricals,

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what diff. between earth nd neutral?

3 Answers   NTPC,

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