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Hipervinculo Física
Energy comes in many forms. Electric energy can be converted into useful work, or mechanical energy, by machines called electric motors. Electric motors work due to electromagnetic interactions: the i ...
Hipervinculo Física
What makes a material magnetic, ferromagnetic materials and how they can be magnetised, temporary and permanent magnets and the mineral magnetite.
It is an educational content of CK-12 Foundation (to a ...
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