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Homework Help: Magnetic field at the center of a square conducting loop

  1. Apr 20, 2015 #1
    1. The problem statement, all variables and given/known data
    Problem and solution attached

    2. Relevant equations
    B = [4uI/(4pi)]sin(theta1-theta2]

    3. The attempt at a solution
    I understand fully how to do it except determining the value of theta1 and theta2. The solution says theta1 is 45(deg) and theta2 is -45(deg). How did they get those values?

    Attached Files:

  2. jcsd
  3. Apr 20, 2015 #2


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    Homework Helper
    Gold Member
    2017 Award

    What is the geometrical interpretation of the angles θ1 and θ2? You might need to refer back to equation 30.4 in your textbook. There's probably a figure in the text that will be helpful.
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