How an Electric Motor Work


The electric motor is a device that converts electric current flowing through coils of wire into mechanical rotary motion. When a current flows through a coil of wire it creates lines of magnetic force which re-act with each other to create the necessary force to cause a shaft to rotate.

This action in turn creates torque. As the speed increases so then does the torque.

There are other devices such as cctv and audio in which the carbon brush may have to carry a digital, video or transducer signal these may be transmitted via a slipring to a stationary member.

Or it may be necessary to conduct current by a linear action such as in overhead conductors for electric trains or trams. If you have any questions about this subject please go to our Questionnaire Page or to our Tutorial Page. Here you will find a number of files you can download.




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UpDated 05-04-2001