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

Nuclear sizes are expressed in a unit named

5.

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
6.

Nuclear sizes are expressed in a unit named

A. Fermi B. angstrom C. newton D. tesla

Explanation / Answer

5 c

6 a

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