1. Electrical Energy to Magnetic Energy:
* Input: The motor receives electrical energy through its power source (like a battery or power grid).
* Conversion: This electrical energy is used to generate a magnetic field within the motor's coils (usually copper wire wound around a core).
2. Magnetic Energy to Mechanical Energy:
* Interaction: The magnetic field created by the motor's coils interacts with the magnetic field of permanent magnets (or another set of electromagnets) within the motor. This interaction creates a force that causes the motor's shaft to rotate.
* Output: This rotational motion is the motor's mechanical energy output.
3. Energy Losses:
* Heat: Some electrical energy is lost as heat due to resistance in the wires and friction within the motor.
* Sound: A small amount of energy is lost as sound due to vibration and air resistance.
In summary:
An electric motor converts electrical energy into magnetic energy and then into mechanical energy. Some energy is lost as heat and sound during this process.
