Answers

2016-05-25T10:30:59+08:00
WHEN YOU TURN ON AN ELECTRIC FAN THE ELECTRIC ENERGY THAT IS USED TO POWER THE ELECTRIC FAN WILL BE CONVERTED TO MECHANICAL ENERGY WHICH CAUSES THE ELECTRIC FAN TO REVOLVE.
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2016-05-27T22:11:37+08:00
The correct answer to the question above is:
When the electric fan is on and revolving, electric energy which is stored beforehand is transformed into mechanical energy  which is used to  cause the fan to spin. The spinning of the fan's blades produce wind. 
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