What describes the primary function of the stator in an electric motor?

The primary function of the stator in an electric motor is to generate magnetic fields. The stator consists of a series of windings or coils that are energized by electric current. When current flows through these windings, they produce a magnetic field. This magnetic field interacts with the rotor within the motor, which is responsible for converting electrical energy into mechanical energy.

This interaction creates rotational motion, which is the essential output of an electric motor. Without the stator's ability to generate a magnetic field, the motor would not function, as there would be no force acting on the rotor to produce movement. In this way, the stator is critical in initiating and maintaining the operation of the electric motor by providing the necessary magnetic fields for the rotor's rotation.

Though other functions, such as regulating electric current and maintaining coolant circulation, can be important in specific contexts or types of motors, they are not the primary role of the stator itself.