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  A 2000-kva transformer has a no-load loss of 6 kw and a total load loss of...

  A 2000-kva transformer has a no-load loss of 6 kw and a total load loss of 16 kw, at full load, and at 100% power factor. The efficiency of the transformer at one-half this load is

    

A. 99.01%.
B. 99.16%.
C. 99.75%
D. 99.63%.
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