what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law

2 Answers   NFCL,

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what is corona effect?

39 Answers   ABB, Genco, Wipro,

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How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

0 Answers   DRJ ARDE,

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

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Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

0 Answers  

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what is electricity

3 Answers   APGenco,

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we all know that in transformer, voltage and current are inversely related i.e. Vp/Vs= Is/Ip....so in standard CT..we have a ratio of 200/5...that means our voltage should increase by ratio of 40..althoug that is not the case...because that requires high insulation level.and pratically not feasible......can anybody clarify my ques.......thanx

2 Answers  

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what is the difference between switch yard to residential area.and how much required it.

0 Answers   GVK,

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what is the definition of a power transformer ?

4 Answers  

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What is the ohms law?

20 Answers  

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Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 Answers  

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what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all

5 Answers   NCC,

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