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How transformer winding & oil gets heat.

Answer Posted / ladna(ladna_mekelive@yahoo.com

from conservation of energy,energy is neither created nor
destroyed,but converted from one form to another.
Thus,as current flows in the windings and encounter
some resistance,work is done by an agent t overcome this
resistance.
The result is that there will be heat(remember the
conseration of energy law stated above), from electricity.

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