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Electromagnetism, find magnitude and direction of the resulting force on wire.

  1. Oct 12, 2009 #1
    A long straight horizontal wire carries a current of 70 amperes towards the east. The wire is placed in a uniform magnetic field of intensity 0.15 T towards the north.

    Find the magnitude and direction of the resulting force on a 25m length of this wire




    F=ILB sin [tex]\theta[/tex]



    F = 70*25*0.15sin 90

    F = 262.5 N towards the right


    Is it the right answer?
     
  2. jcsd
  3. Oct 12, 2009 #2

    rl.bhat

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    Homework Helper

    The force should be perpendicular to east and north. Using Flemming's left hand rule find the direction.
     
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