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The term magnet is defined as, an object made of a ferromagnetic material such as iron, with domains that are aligned one way. Thus, it has poles and a magnetic field around it. Magnets or electromagnets whose effect can be switched on and off are used in many electric machines. When any current flows, it produces a magnetic field.
Were it not for the Earth's magnetic field, all life on the planet would be killed off by cosmic radiation and cease to exist.
The creation and destruction of magnets is relatively easy to carry out. …
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