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Magnetic Flux Density at different points about a solenoid

  1. Mar 25, 2009 #1
    1. The problem statement, all variables and given/known data
    For my physics investigation I am required to first find the theoretical magnetic flux denisty at different points about a solenoid. The points are outside the solenoid: along the axis but past the ends and; perpendicular to the centre of the solenoid but outside.

    So far I have looked at many links to Biot-Savart law, but they only seem to show equations for a loop and not a solenoid.

    2. Relevant equations
    I have tried for the point along the axis:
    [​IMG]
    but it only works with in the confines of the solenoid.

    I also tried:
    [​IMG]
    but it doesn't work for the solenoid.

    What I basically need is two equations, one for the axis, and, one for the points perpendicular to the centre.
     
  2. jcsd
  3. Dec 28, 2009 #2
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