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Magnetism Problem

  1. Apr 12, 2005 #1
    Could someone help me with this problem? I don't really know how to do it..

    [​IMG]

    What is the magnitude and direction of force acting on wire 1 due to the magnetic field produced by wire 2?
     
  2. jcsd
  3. Apr 12, 2005 #2
    This type of problem is a huge deal, you should attempt to master it. It uses the Lorentz Force.

    More information here.
     
  4. Apr 14, 2005 #3
    On that site too, here it has specifically the paraelle wires.

    here

    And since the currents are opposite, should repel from eachother. Oh yeah, was there a length of one of the wires given too? I'll have to dig out my book, think it derived 2 infinite wires, I'll get back to you on that.
     
  5. Apr 14, 2005 #4
    Unless the length of the wire is known, you'll have to specify the force per unit length.
     
  6. Apr 14, 2005 #5

    Gokul43201

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    Staff Emeritus
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    Often, in problems like this, "force" is loosely asked for when really it should be "force per unit length". So, make sure you give the answer in the correct units.
     
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