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Thursday 30 May, 2013 | RSS Feed

What is difference between Permanent Magnet and Electromagnet

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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. As the name suggests, a permanent magnet is 'permanent'. This means that it always has a magnetic field and will display a magnetic behavior at all times.

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.






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