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An electric motor is a device that converts electrical energy into mechanical energy.
This conversion is based on the principles of electromagnetism. Electric motors are widely used in industries, transportation systems, household appliances, and automation technologies.
Basic Working Principle
The operation of an electric motor is based on the interaction between magnetic fields and electric current.
According to Faraday’s law of electromagnetic induction, when a conductor carrying current is placed in a magnetic field, a force is exerted on it.
This force causes rotational movement, thereby producing mechanical motion.
This interaction occurs between the rotor (rotating part) and the stator (stationary part) of the motor.
Main Components
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Stator: The stationary part of the motor, usually made up of electromagnets or permanent magnets.
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Rotor: The rotating part that interacts with the magnetic field produced by the stator.
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Armature: Contains the windings that carry electric current.
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Commutator (in DC motors): Reverses the current direction to maintain continuous rotation.
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Brushes (in DC motors): Transfer current to the rotor windings.
