Differences between the design and use of permanent magnets and electromagnets?
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Answer:
permanent magnet is the magnet that is found naturally and electo magnet is created by coils of copper and a cell or battery
permanent magnet can be shape like horse shoe and electro magnet has no defined shape it can be made by coiling insulated copper wire over a nail also
Explanation:
permanent magnet use in science laboratory and electri magnet is used in junk yard
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