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Problems for magnetic flux 2nd

  1. May 21, 2012 #1
    1. The problem statement, all variables and given/known data

    Please let me know whether it's wrong for my attached solution.

    2. Relevant equations

    i = (d∅/dt)/R

    3. The attempt at a solution

    In part (d), does it calculate wrong??
    In part (e), where has the dissipated energy? is it for heat energy??

    Thanks!
     

    Attached Files:

  2. jcsd
  3. May 23, 2012 #2
    Please advise!!
     
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