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Q.

An electric fan/motor becomes warm when continuously used for a long time due to the fact that ____ energy is converted into mechanical energy and then heat energy.


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Detailed Solution

An electric fan/motor becomes warm when continuously used for a long time due to the fact that electrical energy is converted into mechanical energy and then heat energy.
When an electric fan or a motor is used continuously for a long time, it becomes warm because the motor converts electrical energy into mechanical energy. In addition, because of the moving parts present in the electric fan or motor, friction is generated between the moving parts. It results in an opposing force, and as a result, heat is generated.
 
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