Answer / vinodhini

Active power is the useful power which is spent to do work..It is the amount of actual power what we are using to run our application.
Reactive power is used to produce magnetic field......in case of any electromagnetic application.....
Power factor is the cosine of the angle difference between voltage and current.....

what is R Core Transformer. how it differs from normal transformers. dont search in net and post the answer.

0 Answers  

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why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

7 Answers   HCIL, Jindal, Siemens,

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i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

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where is the primary of CT??

3 Answers  

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What is force on a conductor in a magnetic field ?

0 Answers  

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why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

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which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

0 Answers   Dalkia,

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What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

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what is back emf?

4 Answers   Bhel,

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what is kVA

6 Answers   TATA, Tata Motors,

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what is the difference between ac and dc hipo test of cable?

2 Answers  

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What is power factof?

21 Answers   RRB,

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