For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

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What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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In generation,transmission and distribution voltage frequency is either 50HZ or 60 HZ;why are only these frequencies?

2 Answers  

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Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

0 Answers  

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what will happen if a part of primary winding of a transformer is accidentally short-circuited?

2 Answers  

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when the size of the cable used for the ht voltage is 300sqmm then what is the size of the conductor of each phase

2 Answers  

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How to convert farad to kvar. both are the unit of capacitor.

5 Answers   College School Exams Tests, UltraTech, Vikram Ispat Industries,

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what is skin effect?

4 Answers  

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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What do you mean by nominal ratio of instrument transformer?

1 Answers  

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why earth hole size is biggest in plug point?

13 Answers   RRB,

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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