Answer / k.prakashchandra

Its first function is strike arc across the tube by inducing
high voltage with the help of starter and the second is to
limit the current as the resistance across the tube becomes
zero after the arc is struck.

Answer / thowsif_emerson

Unlike incandescent lamps, fluorescent lamps always require
a ballast to regulate the flow of power through the lamp.

how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 Answers  

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why ground clearance of EHV line is more than HV line??

2 Answers  

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what is the voltage present in the telephone?

10 Answers   Infosys,

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

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Alternator rotor earth fault relay circuit

0 Answers  

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Can u tell me the name of books of transformer testing?

6 Answers  

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n1 =1000 n2 =?;v1 =200:v2 =400

1 Answers   APGenco,

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which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

2 Answers   Bhel,

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how to calculation increase power factor for single phase

0 Answers  

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why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

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What is the clear distance between a MV panel(rear side) and wall.

3 Answers   L&T,

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