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Magnetic field lines of current carrying conductor follow property ?

  1. Apr 20, 2013 #1
    The lines of flux of the magnet possess the following properties:
    1)Forms closed loop
    2)Starts from N-pole and closes at S-pole
    3)Do not intersect each other
    4)Parallel line and same direction repels each other
    5)Parallel line and opposite direction attract each other

    So this are the main properties and now my question is

    -----> The magnetic field lines of current carrying conductor of the does the follow all the properties of it?
    Because where is the north pole and south pole in the conductor?
    Why they are round?
     
  2. jcsd
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