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Mohan K
's Polls
GK - Physics
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
the heating effect of current alone
0 votes (0%)
the heating effect of current alone
both the heating effect of current and hysteresis loss
3 votes (75%)
both the heating effect of current and hysteresis loss
intense sunlight at noon
1 vote (25%)
intense sunlight at noon
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4 votes
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