Electric generators and motors

Generator


Generate electricity with a bar magnet! Discover the physics behind the phenomena by exploring magnets and how they can be used to make a light bulb.

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Lorentz force I


When a current flows through a conductor placed in a magnetic field, the conductor is forced to move. The direction of this force is perpendicular to the current and the magnetic field.
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Lorentz force II


This is a second simulation to study the Lorentz force.
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DC Motor I


This simulation shows the principle of a DC electric motor. When current is applied to the coil, the direction of the current flowing in the left and right parts of the coil are opposite. Therefore, the direction of the force received by the coil is reversed, and the coil rotates. The direction of the current is changed by the commutator every half turn of the coil, so the coil continues to rotate in the same direction.
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DC Motor II


This simulation is another example of the operation of a DC electric motor.
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Homopolar electric motor


This simulation shows the principle of a homopolar electric motor. The homopolar motor is a motor that operates using only one polarity of the magnet. The homopolar motor has a very simple structure, is easy to make and is often used in schools to learn the principles of electric motors.
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General Physics

Electricity

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