How many types of magnets?
There are three primary magnet types: temporary, permanent, and electromagnets. These magnets are classified based on the origin of their magnetism. Temporary magnetization can be induced in objects like screwdrivers when exposed to a magnetic field. Once the magnetic field dissipates, temporary magnets gradually lose their magnetism.
Where magnets are used?
Magnets are used to make a tight seal on the doors to refrigerators and freezers. They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIs (magnetic resonance imagers), which doctors use to look inside people’s bodies.
What are the names of Magnets?
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