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Magnetism - Electric Motors

This is a series of free Physics Video Lessons from Khanacademy online Physics series. We also have another series presented by Brightstorm here.

 

 

Magnetism 9: Electric Motors
Using a magnetic field to exert torque on a rotating circuit.

 

 

Magnetism 10: Electric Motors
Why the circuit will keep flipping over.

 

 

Magnetism 11: Electric Motors
Using a commutator to solve the flipping problem and create an electric motor.

 

 

Magnetism 12: Induced Current in a Wire
Induced current and EMF in a moving wire from a magnetic field.

 

 

 

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