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Question

______ (Attraction/Repulsion) is a sure test of magnetism.


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Solution

  1. Repulsion is the sure test for magnetism because it occurs only when two poles of a magnet exist.
  2. While the attraction phenomenon can occur between two unlike poles of a magnet and also between a magnet and a magnetic material.
  3. This means if there are two magnets they will attract each other and suppose if one material is the magnet and the other is iron then they will also attract each other so in that case, we cannot decide which is a magnet.

Hence, Repulsion is a sure test of magnetism.


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