The term ‘rotor’ refers to the primary rotating component of an electromagnetic system, such as an alternator, electric generator, or electric motor. the word ‘rotor’ is derived from ‘rotating’, and it can be described as a moving part of the system. the rotation of the rotor is a result of the interaction between the windings and magnetic fields, which generates a torque around the axis of the rotor magnets.maybe you want to know about stator magnets. >>>