what is difference b/t ac current and dc current

4 Answers   L&T, Meghana Engineers,

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WHY AREWE USING THE 3 1/2 CORE CABLES IN POWER TRANSMISSION

1 Answers   Phoenix Technologies,

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definition of transformer

10 Answers  

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what material is used in capaciter

0 Answers  

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Why Closing coli supervision is not required for Circuit breaker.

1 Answers   JSW,

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Which motor is suitable for mixer grinders.

12 Answers  

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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prefer any good electrical engineering book.....it should be useful in the practical fied?

1 Answers  

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What is the difference between rated and per unit in transformer?

0 Answers  

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explain all the classes with example

0 Answers  

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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What is the differance between a converter duty transformer and normal power transformer?

1 Answers   Bhel,

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