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What is the question really asking? Just need help understanding the question

  1. Apr 24, 2017 #1
    1. The problem statement, all variables and given/known data
    I'm having trouble understanding what the question is asking. It has a circle, rectangle, and square all in one problem. I don't want help solving this problem.

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Apr 24, 2017 #2


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    Staff: Mentor

    I think they are just giving you extra information to try to confuse you. Just use the area of the square loop and the changing B field to calculate the induced voltage, and then use the resistance R to calculate the resulting current. I don't think you use the variable r, but I guess I could be missing something.

    What are the Relevant Equations for working this problem?
  4. Apr 25, 2017 #3


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    Science Advisor
    Homework Helper
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    It smells to me like the question has been created by copying an old question (which maybe did concern a loop) and modifying it incompletely.
  5. Apr 26, 2017 #4


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    Staff: Mentor

    There is no circle: what is given is the radius of the wire, not the loop. And a square is simply a special case of a rectangle.
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