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Magnetic Induction of coils

  1. Nov 15, 2012 #1
    1. The problem statement, all variables and given/known data
    A bar magnet is moved between 2 coaxial coils A and B as shown in the figure.The end planes of the two coaxial coils facing the magnet due to induction will behave?


    2. Relevant equations



    3. The attempt at a solution

    My solution:
    It will induce south pole in A and B
    south pole in A as the coil needs to oppose the magnet
    south pole in B because the coil needs to attract the magnhet

    (I have read these properties in a book,so im just applying them but I dont know whats the logic behind them)
     

    Attached Files:

  2. jcsd
  3. Nov 15, 2012 #2
    magnetic flux have definite direction and they never cross path, always from North to South forming a complete closed loop. think about it.
     
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