what is magnetism ........
Answers
Answer:
Magnetism is the force that actually creates or causes the rotation when a motor operates.
The poles of a permanent magnet are connected by magnetic lines of force.
Most of us remember the principle of magnetism from science class:
Opposite poles are attracted to one another
Like poles are repelled by each other
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Answer:
Magnetism is one aspect of the combined electromagnetic force. It refers to physical phenomena arising from the force caused by magnets, objects that produce fields that attract or repel other objects.
A magnetic field exerts a force on particles in the field due to the Lorentz force, according to Georgia State University's HyperPhysics website. The motion of electrically charged particles gives rise to magnetism. The force acting on an electrically charged particle in a magnetic field depends on the magnitude of the charge, the velocity of the particle, and the strength of the magnetic field.
All materials experience magnetism, some more strongly than others. Permanent magnets, made from materials such as iron, experience the strongest effects, known as ferromagnetism. With rare exception, this is the only form of magnetism strong enough to be felt by people.
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