A 40 kva transformer has a core loss of 400W and a full load copper loss of 80

A 40 kva transformer has a core loss of 400W and a full load
copper loss of 800W. What is The proportion of full load at
maxmimum efficiency?

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A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The prop..

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