Respuesta :

Answer:

The rule of magnetism illustrated is the field lines are more concentrated at the poles and also about the direction of magnetic field.

Explanation:

  • Every magnet has two pole, north pole and south pole. The like poles repel each other and unlike poles attract each other.
  • The direction of magnetic field is from north to south that can be seen by the iron filling experiment.
  • When the iron fillings are kept near the bar magnet, we observe that most of the fillings are attached to either poles.
  • It is due to the fact that the concentration of magnetic field is highest at the poles.

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