differences between loadstone and electromagnet
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In Electromagnet, the magnetic field is created by a wire-wound coil but the magnetic field of Permanent (Bar) Magnet cannot be changed.
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Difference between Permanent Magnet and Electromagnet.
Permanent (Bar) Magnet Electromagnet
These are usually made of hard materials. They are usually made of soft materials
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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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