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Electric Motors



In class we learned about how electric motors work and we talked about a couple examples of things with electric motors such as your air conditioning. To review, moving charges in magnetic fields experience forces. When the charges move perpendicular to the magnetic field, they experience a force which is applied to the wire. With electric motors, moving charges are sent through a loop of wire which creates motion when you examine the forces acting on the wire. There are several everyday household items that use an electric motor. Starting off in the kitchen, the refrigerator, the freezer, the blender, the disposal, and the fan in the microwave all use electric motors. In other areas of the house, the ceiling fan, bathroom fan, the garage door opener, the hair dryer, the washer and dryer, the vacuum cleaner are other examples and the list goes on and on. 


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