Magnetism is a force that is exerted by magnets and magnetic materials. It is a fundamental force of nature that affects the behavior of objects that have magnetic properties.
There are several types of magnets, including:
1. Permanent magnets: These magnets retain their magnetism even after being removed from a magnetic field. Examples include bar magnets, horseshoe magnets, and refrigerator magnets.
2. Temporary magnets: These magnets only exhibit magnetic properties when they are in the presence of a magnetic field. Once the magnetic field is removed, they lose their magnetism. Examples include electromagnets and soft iron magnets.
3. Electromagnets: These magnets are created by running an electric current through a coil of wire. The magnetic field produced by the current magnetizes the material inside the coil, creating a temporary magnet.
4. Neodymium magnets: These are a type of rare earth magnet that is known for its strong magnetic properties. Neodymium magnets are commonly used in motors, generators, and other industrial applications.
what is magnetism
types of magnet
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