how electromagnet is formed by iron nail? give reasons for adhesiveness of allpein
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Electromagnet can be made by a iron rail on a magnet it is because some property of magnet become come in iron range
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An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the center of the coil.
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