explain repulsion is a sure test of magnetism
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Test for a Magnet
A permanent magnet causes repulsion with one pole when the poles are brought in turn near a suspended magnet.
An unmagnetised magnet material would be attracted to both poles.
Repulsion is the only sure test for a magnet
Test for a Magnet
A permanent magnet causes repulsion with one pole when the poles are brought in turn near a suspended magnet.
An unmagnetised magnet material would be attracted to both poles.
Repulsion is the only sure test for a magnet
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