how to calculate ups and battery rating

2 Answers  

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

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how can we solve the RMS value of alternative Qnty is .707 , explain detail .

2 Answers  

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whay we used silica gel in Transformer

3 Answers  

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As per BIS, Earth pit resistence value?

4 Answers  

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I am an electrical engg and has got selected in wipro should i go there now or try in some core company ?

3 Answers   Wipro,

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What happens if 25 Hz frequency is applied for 400/200,50 Hz single phase Transformer.Will Voltage increase ?

2 Answers   Bhel, Dawlance, IBM,

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what will happen if i connect the buchholz relay in reverse direction.

1 Answers   MAN,

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in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

0 Answers  

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why transformer does not obey ohms low?

3 Answers   AITM,

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what is the necessity of neutral in 3 phase system?

5 Answers  

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what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

0 Answers   Faurecia,

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