1. They should be kept in pairs, unlike poles on same side.
  2. Two magnets should be separated by wood.
  3. For horseshoe magnet , we should keep piece of iron across the poles.
  4. Magnet should be kept away from mobile, TV, music system and computer.
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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo