what do you mean by mf of energy meter & its formula?

4 Answers  

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Which system use dc to dc high voltage gain A. Solar system B. Battery backup

1 Answers  

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why there is a humming noise in transformer

8 Answers   Bhel,

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What is the effect of positive feedback on stability of the system?

0 Answers  

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What is power factor?How to improve power factor

2 Answers   Tech Mahindra,

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how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

0 Answers  

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what is the control circuit for operating the clean room air shower

0 Answers   L&T,

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why pull the single core cable?

1 Answers  

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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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what happens when dc supply is given to the transformer?

3 Answers  

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a. void main() { char a[6] = "INDIA"; while(*a) { printf("%c",*a); a++; } } 1. india 2. I N D I A 3. no output 4. error 5.Null

1 Answers  

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Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 Answers  

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