what is the difference between underreach and overreach.what is the advantage of using overreach instead of underreach.explain

1 Answers  

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what is power transformer?

2 Answers  

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can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

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What is flow meter?

2 Answers  

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What are the protections to be used for Generator?

5 Answers  

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can you any one give exact mathematical relation between AC current and DC current?

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How to take Vector group test of Transformer?

16 Answers   Sunflag Steel, Zuari Cements,

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What is the difference between earthing & neutral.

2 Answers  

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60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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what could be the reason of a burnt current transformer in an electrical panel

1 Answers   ERWAT,

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what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

1 Answers   wbsedcl,

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what is meant by skin effect ?

3 Answers  

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