what is the impedence

1 Answers   Al-Othman,

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why the admittance matrix or y bus matrix of a large network is called sparse matrix?

3 Answers  

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what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

0 Answers  

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What is the basic of DTH.

0 Answers   IOCL,

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what is necessity of using isolation transformer?

4 Answers   NTPC,

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Can we use the 60 HZ transformer/rectifier/Motors/Coils in 50 HZ? if not so, why?

3 Answers  

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how to identify vector group of three phase transformer by voltage method?

0 Answers   AAU,

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

0 Answers  

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when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???

2 Answers  

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we specify current in case of feeder but in case of distributor voltage, why?

0 Answers  

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what's ripple content in rectifier? how it formed?

1 Answers  

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