Distribution transformers should be designed to have maximum efficiency at

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Distribution transformers should be designed to have maximum efficiency at:

  1. Full load
  2. No load
  3. 50% to 60% of load
  4. 95% to 96% of load

Correct answer: 3. 50% to 60% of load

Explanation: The distribution transformer is designed to work with maximum efficiency at 50% to 60% of the load. Because normally doesn’t it is loaded with 50% 50 60% and all the load is not present throughout the day.

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