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Answers
Answer:
Q) list any 3 property of magnet
Attractive Property – Magnet attracts ferromagnetic materials like iron, cobalt, and nickel.
Repulsive Properties – Like magnetic poles repel each other and unlike magnetic poles attract each other.
Directive Property – A freely suspended magnet always points in a north-south direction.
Q)what is natural and artificial magnets
Natural magnets are the magnets that can be found in nature. For example - lodestone. Whereas artificial magnets are the magnets that are made by man.
Q) how can a magnet be dismagnetised
When a magnetized magnet is exposed to a strong magnetic field that is established in opposition to the magnet’s magnetization, part of the magnet may be demagnetized. This demagnetization essentially reduces the effective field of the magnet and the magnet’s performance will therefore degrade.