what is the difference between ac and dc?which one is more efficient?and what r their advantages

1 Answers  

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WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

2 Answers  

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what r PID controllers?why they r used?what is there purpose?plz Explain in detail

0 Answers  

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what is d check in dg 1500kva

0 Answers  

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If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

0 Answers  

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how fan speed decrease or increase by using regulator? thank you

3 Answers  

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which will glow brighter?bulb 1 (110v,100w) and bulb 2 (230v.200w) series connection

6 Answers   EnPower India,

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want to know about DMRC

4 Answers  

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what is the formula for converting KW into KWH ?

3 Answers   Blue Star, Essar,

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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What is stray current in DC Traction?

2 Answers   L&T,

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ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

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