what is an electromagnet?classify them with an examples
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An electromagnet is a coil of wire wrapped around a bar of iron or other ferromagnetic material. When electric current flows through the wire, it causes the coil and iron bar to become magnetized. ... Some other examples include hairdryers, CD players, power drills, electric saws, and electric mixers.
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An electromagnet is a temporary magnet that acquires magnetic properties only till electric current is passed through it.
Electromagnets can be classified on the bases of their shape into - i-shaped electromagnet and u-shaped electromagnet
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