MCQ
Large transformers, when used for some time, become hot and are cooled by circulating oil. The heating of transformer is due to
  • A
    Heating effect of current alone
  • B
    Hysteresis loss alone
  • Both the hysteresis loss and heating effect of current
  • D
    None of the above

Answer

Correct option: C.
Both the hysteresis loss and heating effect of current

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