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Ch7
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Ch7S1 Magnetism
Magnets
2000 years ago the Greeks discovered a mineral. It was found on Turkey and now this magnet is called magnetite.
Magnets can be found on the refrigerator, Tvs, headphones, telephones, and in many others.
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Magnetic Materials.
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Only few metals such as iron, cobalt, and nickel.
Magnetic Domains
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For the domains to be arranged the nail has to be near to a permanent magnet, this will cause the domain points not be cancel anymore and now the nail will act as a magnet.
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