Large transformers, when used for some time, become very hot and are c – McqOptions

MCQOPTIONS

1.	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.	hysteresis loss alone
B.	intense sunlight at noon
C.	both the heating effect of current and hysteresis loss
D.	the heating effect of current alone
Answer» D. the heating effect of current alone

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