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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

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

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter30: Electric Heat
Section: Chapter Questions
Problem 5RQ: Three common controls used in central electric heat applications are thermostats, contactors (or...
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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

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