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Large transformers, when used for some time, become hot and are cooled by circulating

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

Options

(a) Both the hysterisis loss and heating effect of current
(b) Heating effect of current alone
(c) Hysterisis loss alone
(d) None of these

Correct Answer:

Both the hysterisis loss and heating effect of current

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

MP2001
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