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Find magnitude of magnetic field from loop

  1. Apr 1, 2012 #1
    1. The problem statement, all variables and given/known data
    A square loop, with sides of length L, carries current i. Find the magnitude of the magnetic field from the loop at the center of the loop, as a function of i and L.


    2. Relevant equations
    B=μ0/4∏∫i * dl X r^ /r^2


    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 1, 2012 #2

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    hi kgal! :smile:

    (try using the X2 button just above the Reply box :wink:)
    do it for one side of the square, then multiply by 4 :smile:
     
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