if we want ot select cable size with reference to load current it take than what is the formula and it is same for aluminium or copper?

3 Answers  

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How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

0 Answers   ABB,

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how are reversing the direction of rotation of dc motor

0 Answers  

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What is the difference between IGBT and TRIAC?

3 Answers  

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how we calculate electricity unit ( meter unit.. for knowing how many charges) from on motor load.?

2 Answers  

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AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

0 Answers  

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How can calculate rotor temperature of the alternator? and is there any method to calculate that

1 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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if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !

1 Answers  

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I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

0 Answers  

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what perpos use cepacitors in motars,fans,lights,and LT panal

1 Answers  

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why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

1 Answers  

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