The major advantage of an auto-transformer over a two-winding transformer is

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Electrical Engineering MCQs on Transformer

The major advantage of an auto-transformer over a two-winding transformer is:

  1. Copper losses are negligible
  2. Eddy losses are totally eliminated
  3. Hysteresis losses are reduced
  4. Saving in winding material

Correct answer: 4. Saving in winding material

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