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Magnetic Force problem

  1. Mar 4, 2004 #1
    Three parallel wires each carry current I in the direction shown in the figure (file attached). If the separation between adjacent wires is d, calculate the magnitude and direction of the net magnetic force per unit length on each wire.
    a) What is the magnetic force on the top wire?
    I think the direction is up, but I don't know how to find the magnitude.
    b) What is the magnetic force on the middle wire?
    I know this is zero
    c) What is the magnetic force on the bottom wire?

    I also know that net magnetic force per unit length is equal to (mu0*I*I')/(2*pi*r).
    mu0=4*pi*10^-7

    Any help would be appreciated!!!
     

    Attached Files:

  2. jcsd
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