Quote:
Originally posted by Michael Huck:
The electrical energy of the pump is NOT completely converted into heat. If it was then the motor would not spin. The only reason heat is generated by the pump is from the resistance of the materials of the motor and also from mechanical moving parts in the motor(bearings/brushes).
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Think what he should have said is all the electrical energy is eventually turned to heat. Electrical -> Kinetic -> Heat in one form or another