M

Mr. Dubey • 100.64K Points
Coach Physics

Q. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

  • (A) The heating effect of current alone
  • (B) Hysteresis loss alone
  • (C) Both the heating effect of current and hysteresis loss
  • (D) Intense sunlight at noon
  • Correct Answer - Option(C)
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  • Filed under category Physics

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