how do keepers help to prevent magnets from losing their magnetism
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If a magnet is left free for a long time, it losses its magnetism due to earth's magnetic fields.The earth's magnetic field exerts a torque on individual magnetic dipoles which alters their orientation.
If a magnet is left free for a long time, it losses its magnetism due to earth's magnetic fields.The earth's magnetic field exerts a torque on individual magnetic dipoles which alters their orientation. So, magnetic keepers are used to store magnets.
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