What is the formula for efficiency of transformer?

Question added by Terence Nhidza
Date Posted: 2015/11/23

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I have a table in excel 2010 and sum formula is not working for some rows. *my a1 b1 also pick the data from another formula. please help.
Top Answer: <h4>okey</h4> <h4>there are many ways </h4> <h4>* click File menu> ... See More

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