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Homework Help: Surface integrals and line integrals

  1. Sep 15, 2016 #1
    1. The problem statement, all variables and given/known data

    when we calculate the electric field due to a plane sheet or the magnetic field due to a wire,are we calculating it at a single point or the whole field due to the total wire?
    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Sep 15, 2016 #2

    kuruman

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    You are calculating the field at a single point by adding contributions from the entire plane or wire.
     
  4. Sep 15, 2016 #3

    SammyS

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    What method are you using in each of these cases?
     
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