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Mutual inductance between straight line cable & square shape Frame

  1. May 26, 2013 #1
    1. The problem statement, all variables and given/known data

    Calculate mutual-inductance between straight line cable and square shape frame, as shown on


    2. Relevant equations

    I am not sure which equation will be used here because as far as my knowledge goes , mutual inductance should be concerned with turns in coils but in this case it is a straight line

    3. The attempt at a solution

    I would love to but I don't have a clue
  2. jcsd
  3. May 26, 2013 #2


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    You can think of the straight cable as infinitely long and part of a single closed loop where the rest of the loop is out at infinity.

    Try applying the definition of mutual inductance to this situation.
  4. May 28, 2013 #3
    Thanks alot .... at the end your advice worked out fine .. :)
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