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24 January, 10:01

How are a bar magnet and a electromagnet different

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  1. 24 January, 10:09
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    An electromagnet acquires magnetism through electricity.

    A bar magnet comes with magnetism already stored within it and doesn't need to rely on on another object for power.
  2. 24 January, 10:24
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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 a coil.
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