Differentiate btween elecromagnet and permanent magnet
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Permanent Magnets and Electromagnets: What are the Differences? 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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Permanent magnet
A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field.
Electromagnet
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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