What is the difference between Permanent Magnets and Electromagnets?
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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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permanent magnets are usally made up of steel
these magnets cannot be reversed
the strenght cannot be changed
electromagnets are also called temporary magnets they are made up of soft iron (just reverse of permanet magnets)
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