how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

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what is negative,positive abd zero sequence current explain clearly

1 Answers   Jindal,

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Is neutral transformer can be called as control transformer?

0 Answers  

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How will polarity test of Dy5 Transformer ?

0 Answers  

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What is the necessary and sufficient condition for stability.

0 Answers  

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Why Batteries are rated as AH i.e AmpereHour,and its formula to converting AmpHour to Amp

4 Answers   Suzlon,

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1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).

3 Answers  

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what happen if we supply 220v dc suppy to the bulb or tube

2 Answers  

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What does the term “voltage regulation” means?

0 Answers  

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depletion layer will form beforre biase or after bias ?

2 Answers  

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What is ferrite affects and what is disadvantage of ferrite affects.

1 Answers  

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