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Ampere's law problem

  1. Apr 5, 2009 #1
    1. The problem statement, all variables and given/known data
    A conducting slab of thickness a is bounded by the planes z= [tex]\pm[/tex]a/2 and carries a uniform current density J=J (y hat)

    Use the integral form of Ampere's law to to find magnetic field everywhere
    2. Relevant equations

    Integral for of Amperes law: Integral (B \bullet ds) = \mu 0 Jenclosed

    3. The attempt at a solution

    All of the examples in class and in the book use cylindrical symmetry so I was a bit perplexed as how to approach taking an integral over a closed path dotted into a B in cylindrical coordinates.
     
    Last edited: Apr 5, 2009
  2. jcsd
  3. Apr 5, 2009 #2

    Redbelly98

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    Try using a rectangular loop for the integration. Each leg of the loop is either perpendicular or parallel to B.
     
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