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Magnetic field intensity problem

  1. Jul 12, 2013 #1
    Hi everyone here, hope you enjoying this summer ..

    i'm taking ' elements of electromagnetic ' course this summer session and i just have a little question here


    in the yellow shaded statement

    shouldn't it be dl = (l/N) dz instead of dl=(N/l) dz ?

    By the way, it's not a HW question .

    Last edited by a moderator: May 6, 2017
  2. jcsd
  3. Jul 12, 2013 #2


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    Hi Saeed.z! :smile:
    The magnetic field H (or magnetic moment density) is measured in units of amp-turns per metre (A.m-1) …

    current (I) times pitch (n), ie current times number-of-turns per length

    n is the pitch, N is the number of turns, l is the length: n = N/l :wink:
  4. Jul 14, 2013 #3

    Thanks tiny-tim

    i got it ! :)
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