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  • Draw a labelled circuit diagram of a simple electric motor and explain its working. In what way these simple electric motors are different from commercial motors

Draw a labelled circuit diagram of a simple electric motor and explain its working. In what way are these simple electric motors different from commercial motors?

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Explanation:-

AC motor is a device that converts electrical energy into mechanical energy.
It can be seen as a reverse mechanism of the AC generator.
With the help of an electrical source like battery, the current in any armature is
controlled. This armature is exposed to strong magnetic field between permanent magnetic poles.
In magnetic field, the wires of armature experience a force that causes them to rotate.
With the help of split ring commutator, the direction of the current changes in half period. Thus force on armature keeps rotating it in the same sense.
The circuit diagram of a simple electric motor is as follows:


the commercial motor is different because the commercial motor is more powerful than the regular electric motor. To make it more powerful, the commercial motor uses electromagnets in place of permanent magnets. These electromagnets are way stronger than permanent magnets because of a large number of winding and soft iron cores.

 

 

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