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Doctors Medicines MCQs Q&A

  1. Spinning of electrons
  2. Spinning of atoms
  3. Orbital motion of electrons
  4. Polarisation of atoms
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1 Answers

Option 1 : Spinning of electrons

A bar magnet gets its ferromagnetism from spinning of electrons distributed evenly throughout the bar. Even when it is cut, each of the piece is a smaller bar magnet.
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