Q. 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
C) Both the hysteresis loss and heating effect of current
D) None of the above
Explanation
The correct answer is Option C: Both the hysteresis loss and heating effect of current.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.