what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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what is the wattage of 'zero watt' bulb?

16 Answers   PSEB,

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lllg,llg,ll,lg,lll which fault is severe and why?

10 Answers   COEP, GE, PSC,

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i want to trigger ATS (Mains +Generator )from external system could any body help me in this regard ?? is it posible if yes please tell me how?

1 Answers  

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what does kirlosker deals with?

3 Answers  

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when voltage increases current decreases & vice versa why it is so?

3 Answers  

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

0 Answers   BSNL,

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What do you meant by soft start?

1 Answers  

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how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

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What is percent age of scrap of wires as per IE Rule Clause No in wiring for House and Industrial wiring ?

3 Answers  

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what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

0 Answers  

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Why wind turbines wheels rotate constantly

0 Answers  

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