📊 Physics
Q. Which of the following transformers will have smallest size with same electrical specifications?
  • (A) Oil Natural Water Forced (ONWF) cooled transformer
  • (B) Oil Natural Air Natural (ONAN) cooled transformer
  • (C) Oil Natural Air Forced (ONAF) cooled transformer
  • (D) Dry type transformer
✅ Correct Answer: (A) Oil Natural Water Forced (ONWF) cooled transformer

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Ram Sharma
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