Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Options: A . &nbspThe heating effect of current alone B . &nbspHysteresis loss alone C . &nbspBoth the heating effect of current and hysteresis loss D . &nbspIntense sunlight at noon

Large transformers, when used for some time, become very hot and are cooled by c

Question

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

Options:

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

Answer: Option C

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