how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 Answers  

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what is the difference between earth leakage and earth fault?

0 Answers   L&T,

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what is the function of a commutator in a dc generator?

14 Answers   College School Exams Tests, NTPC, TCS,

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how do you tell if a avalanche button diode is a p or an

1 Answers  

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state the construction of incondenscent lamp?

0 Answers  

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How can we save electrical cost i.e switchgear, wiring, conduiting etc in a room?

1 Answers  

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what is field flash

4 Answers   Bhel,

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how we can select MCB ratings according to Voltages, Curves.

2 Answers  

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I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?

1 Answers  

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which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

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what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

0 Answers  

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why did youi choose this career?

0 Answers   KTB, ONGC,

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