What is the principle of an electric motor?

Answer:

An electric motor is a device used to transform electricity into mechanical energy opposite to an electric generator. They operate employing principles of electromagnetism, which determines that a force is applied when an electric current is present in a magnetic field. Motors have many various working parts in order for them to continually rotate, providing Power as needed. Motors can run off of direct current (DC) or alternating current (AC).

principle of an electric motor

The principle of an electric motor is based on the current-carrying conductor which produces magnetic field around it. A current-carrying conductor is placed perpendicular to the magnetic field so that it experiences a force.

Working of Electric Motor

Principle of electric motor

In the above picture, we can see that the current-carrying conductor is placed between the two magnets and is connected to the battery. When the battery is turned on, there is a flow of current in the conductor and magnetic field from the north to the south. By Fleming’s left-hand rule, we understand that there is a downward and upward force acting on the conductor.

Articles to Explore:

  1. State Fleming’s Left-Hand Rule
  2. Name some devices in which electric motors are used?

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2 Comments

  1. Thanks so so so so so so so so much for this explanation it helped so much.
    I love you. Thank you my dear for this lesson. I now understand 100% of the dc motor and the motor principle. All because of you. Please give my sweetest wishes to you and your family

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