why are electromagnets are called tempory mangets
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When the battery is connected to the coil, current flows through it. ... However, as soon as the power from the battery stops, the current stops, and this means that the magnetic field vanishes. This is the reason that electromagnets are temporary magnets. Thus, electromagnet is called a temporary magnet.
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All of the materials an electromagnet is made of are nonmagnetic. A permanent magnet is a magnet that retains its magnetism. ... However, as soon as the power from the battery stops, the current stops, and this means that the magnetic field vanishes. This is the reason that electromagnets are temporary magnets.
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