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Large transformers when used for some time become very hot and...

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

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Correct Answer: Option C
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to both the heating effect of current and hysteresis loss.
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2 Comments
Bhanu PRATAP
Bhanu PRATAP 6 years ago
Hyseteresis losses kya hota ha
NILESH KAKDE
NILESH KAKDE 9 years ago
When current flow through winding it produce I2R losses. it also produce hysteresis loss due to magnetising effect.
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