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Homework Help: Magnetic force on a loop

  1. May 18, 2009 #1
    Hi all

    I tried to solve one of the magnetostatic problems and I end up with a trivial solution. The problem as shown in the figure, we have an infinite current carrying line and a circle with a radius "b" and current I2. The problem asks for the force being exerted by the line on the circular loop. My answer as it’s shown doesn't depend on "d" neither "b" which makes no sense.
    http://www.pc4up.com/2009/5-2009/Jkc70408.jpg [Broken]

    Can you debug my solution?
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. May 18, 2009 #2
    This is problem 10 on page 321 of Smythe "Static and Dynamic Electricity" (3rd Edition). Smythe has the answer. Yours is not correct.
  4. May 19, 2009 #3
    Yes my solution was not correct I knew, I am asking what is the mistake in my solution so that I can get benefit of my mistakes. Is there any wrong with that!!
  5. May 19, 2009 #4
    Sorry I just read the massage from the forum, I didn't thought that this is considered to be a homework question.

    Sorry all....
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