what is the transformer efficiency?

5 Answers  

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Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

0 Answers  

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how does a current carrying conductor posess a magnetic field. what is the reason for the production of electro magnetic field around the conductor

2 Answers   Vizag Steel,

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1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?

0 Answers   Bosch,

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which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

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Explain RYB?

21 Answers  

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What is UJT PNP, NPN transistor & working principles?

1 Answers   TATA,

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how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

0 Answers   Vatika,

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What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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1.how to calculate energy units in our home at singe phase, 2.415V,63A wiring what will use thickness of wire

2 Answers  

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what is difference b/w CFL and Ordinary lamps? which one is useful for power saving?

5 Answers  

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