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  • Doubt about magnetic waves

    Gautami Shetty

    Member

    Updated: Oct 26, 2024
    Views: 1.0K
    now earth has a magnetic field. it has north pole and soth pole.
    this creates a dipole. it is said that earth's dipole works as a bar magnet
    thus there are magnetic waves that emit from them..
    my uncle said magnetic waves come only from north pole not south pole. dat does'nt sound right to me. can someone clear it out to me ?
    i think both the poles should emit waves am i right???
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Replies

  • Ramani Aswath

    Member • Feb 14, 2013

    Magnets do not emit any waves. In fact there is no wave at all. If there were to be a wave it has an energy and that much energy will be lost to the emitting body. This means that in time the body will cease to be a magnet. What a magnet has is a field.
    Here is a depiction:
    [​IMG]

    Actually there is no sanctity about North and South. This was given as a convenient label. The field is continuously distributed between thee South and North pole. A better description will be a torus (Doughnut) sort of figure with different intensity of the field at different points of the torus.
    Have a look here:
    [​IMG]
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