Question: A transformer operates most efficiently at 3/4th full load. Its iron (P) and copper loss (Pcu) are related as: - (A) PI/PCu = 16/9

A transformer operates most efficiently at 3/4th full load. Its iron (P)

A transformer operates most efficiently at 3/4th full load. Its iron (P) and copper loss (Pcu) are related as: - (A) PI/PCu = 16/9 (C) P/PCu = 3/4 (B) P/PCu = 4/3 (D) PI/PCu = 9/16

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