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Magnetic poles (A simple question but I dont know how to answer it?)

  1. Apr 26, 2009 #1
    Magnetic poles (A simple question but I dont know how to answer it???)

    (i)Show the magnetic field associated with the earth,

    (ii)and use your diagram to explain
    why magnetic poles always occur in north south pairs




    I dont know how to go about the second part at all!!!???/
     
  2. jcsd
  3. Apr 26, 2009 #2

    tiny-tim

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    Hi jayjay112! :smile:

    Hint: draw a different planet, with an electric field, and draw the electric field round it.

    What is the difference between that and your diagram of the magnetic field?

    How can the second planet get away without having an opposite "electric pole"? :wink:
     
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