From: newsthirteenspam-spam@woa.com.au   
      
   On Wed, 08 Jan 2014 23:53:57 -0800, Salmon Egg wrote:   
      
   > In article ,   
   >  uchethegenius1@gmail.com wrote:   
   >   
   >> How do you derive the efficiency of a transformer from the first   
   >> principle of electric circuit.   
   >   
   > Go to electrical engineering school. When done, read old papers or books   
   > on electrical machines i a resarcvh library.   
      
   It is usually covered in Transformers 101 and thus is all good EE theory   
   books.   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)