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Gk question on 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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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 Check Answer Complaint Here As Incorrect Question / Answer

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