why is it that the magnetic lines always go from north to south pole??

why is it that the magnetic lines always go from north to south pole??


1 Answers

879 Points
12 years ago

Dear student,

Magnetic lines of force have a number of important properties, which include:

  • They seek the path of least resistance between opposite magnetic poles. In a single bar magnet as shown to the right, they attempt to form closed loops from pole to pole.
  • They never cross one another.
  • They all have the same strength.
  • Their density decreases (they spread out) when they move from an area of higher permeability to an area of lower permeability.
  • Their density decreases with increasing distance from the poles.
  • They are considered to have direction as if flowing, though no actual movement occurs.
  • They flow from the south pole to the north pole within a material and north pole to south pole in air.

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B.Tech, IIT Delhi

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