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Electromagnet

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Electromagnet

An electromagnet is a temporary magnet that behaves like a magnet when an electric current is passed through the copper wire and loses its magnetism when the current is stopped.

Battery

The battery is a source of electrons. When you connect the wire to the battery, the electrons flow through the wire.

Copper wire

Electromagnets are created by wrapping a copper wire around an iron nail and running current through the wire. The electric field in the wire coil creates a magnetic field around the nail.