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Electric motors produce linear or rotary force (torque) intended to propel some external mechanism. This makes them a type of actuator. They are generally designed for continuous rotation, or for linear. In 1740 an inventor of Scotland Andrew Gordon and American scientist Benjamin Franklin invented the first electric motor that was electrostatic. The working principle of these motor was. Motors convert electrical energy into mechanical energy, essential for powering various devices and machinery. DC motors are used for precise speed control in electronic devices and. Understanding the different types of electric motors is critical for selecting the right one based on speed, torque, power supply, and control requirements. This guide explains the major types of motors AC.