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23 June, 23:02

How are electro magnets different from other magnets

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  1. 24 June, 01:59
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    An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it. Often an electromagnet is wrapped around a core of ferromagnetic material like steel, which enhances the magnetic field produced by the coil.
  2. 24 June, 02:13
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    A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field ... An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it.
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