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Magnetic forces aon currents and magnetic induction

  1. Mar 10, 2006 #1

    Given B=0.80 T, a square coil with a single loop with length of each side of 20 cm, a current of 5.0 A where there is an external constant uniform magnetic field, what are the size and the direction of the magnetic force on just the lower section of the loop due to the 0.80 T field?
  2. jcsd
  3. Mar 10, 2006 #2
    The answer is 5.

    seriously, have you tried anything?
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