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SS3: PHYSICS - 1ST TERM

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Lesson 10, Topic 3
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Soft & Hard Magnetic Substances

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Materials that are easily magnetized and easily lose their magnetism are soft magnetic substances. E.g. iron, mu-metal; they are always used as temporary magnet 

Materials that are not easily magnetized and do not lose their magnetism easily are called hard magnetic substances. They are used for making permanent magnets e.g. steel, nickel, and cobalt.

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