Answer / swati

Transformer is a static device which transfer the electrical energy(power)from one circuit to another without change in frequency.It has 2 windings which has magnetically coupled but electrically isolated.

Answer / venkat.v

Transformer is static device which converts voltage levels
(step up/ step down) without change in freqency. Its works
on farady laws of electro magntic princple

tan delta test of current transformer.

3 Answers   NTPC,

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reason of capacitor failure or low voltage in alternator wtih 10kva dgset

0 Answers   adag,

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11 KV distribution system where neutral is produced ?

4 Answers   ciss, TATA, Tata Motors,

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WHY WE ARE DOING THE EARTHING IN A SYSTEM. SOME PEOPLE ARE TELLING FOR PROTECTION. WHAT PROTECTION GIVE ME THE CORRECT ANSWER.

2 Answers  

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how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

2 Answers  

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when voltage gets down the current of motor increases. but according to Ohm's law voltage is directly proportional to current. plz explain

4 Answers   Maruti Suzuki, TATA,

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working of a diesel generator.

34 Answers   ABC, AC, Cognizant, CTS, Directorate of Lighthouses and Lightships, KSL, Quippo, Shree Renuka Sugars, SRF, Svam Power, Tech Mahindra,

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What are your future expectations from this company and how long do you intend to work with this company if employed?

1 Answers  

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what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

0 Answers   BARC,

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what is the common earth

0 Answers  

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Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 Answers  

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in electric lamp what is ballast. y its needed to start & stop lamp. what is ballast ckt.

0 Answers  

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