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Why don't radio waves interact with magnetic fields?

  1. Feb 5, 2015 #1
    I've been told that magnetic field does not mask or influence any GHz transmissions; TV, Radio, Wi-Fi, etc. and should not pose a problem. Can someone explain why they do not interact? Credible documentation such a law or theory? Educational documentation? Thanks in advance.
     
  2. jcsd
  3. Feb 5, 2015 #2
    Superposition principle
    Electromagnetic waves travel through each other and through static fields.
     
  4. Feb 5, 2015 #3
    Thanks for the reply, however, I'm referring to the field of a permanent magnet. Not an electromagnetic wave.
     
  5. Feb 5, 2015 #4

    davenn

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    as said ...

    EM interaction with an EM wave isn't any different to an EM interaction with a Magnetic field
     
  6. Feb 5, 2015 #5
    Correct, but a permanent magnets does not emit electromagnetic waves but rather a gravitational force due to the dipole field, from what I understand. Are electromagnetic waves affected by the magnetic field? If not, why not?
     
  7. Feb 5, 2015 #6

    davenn

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    read Khashishi's and my previous post again ... they both answer you Q

    and gravity has nothing to do with it ...


    Dave
     
  8. Feb 5, 2015 #7

    Drakkith

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    Staff: Mentor

    All of those signals are EM waves. These waves simply don't interact with a static magnetic field in such a way as to be influenced by it. Note that asking why something doesn't happen is hard to answer. The simple answer is that that's just the way the laws work.
     
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