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Which of the loops would feel a magnetic force directed to the right?

  1. Feb 27, 2015 #1
    Problem:

    The figure shows a region of uniform magnetic field out of the page. Outside the region, the magnetic field is zero. Some rectangular wire loops move as indicated. Which of the loops would feel a magnetic force directed to the right?

    Attempted Solution:

    By right hand rule none of these had a magnetic force to the right.

    NOPE. Not right. Not sure why its not right either.

    Possible Solution Choices:

    a) 1
    b) 2
    c) 3
    d) 4
    e) 1 and 2
    f) 2 and 4
    g) 3 and 4
    h) none of them
     

    Attached Files:

  2. jcsd
  3. Feb 27, 2015 #2

    Simon Bridge

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    The induced force opposes the change in flux through the loop.
     
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