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Thread: Electromagnetism

  1. #1 Electromagnetism 
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    Nov 2007
    What is the smallest element or particle to exhibit a magnetic effect?

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  3. #2 Re: Electromagnetism 
    The Doctor Quantime's Avatar
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    Jun 2007
    United Kingdom
    Quote Originally Posted by spinner42
    What is the smallest element or particle to exhibit a magnetic effect?
    Quatum Physics-Photon
    Classical Physics-Light Wave

    Both still aren used and is reffered to as particle/wave duality (or as I like to call it, wave/particle duality :wink.

    Hold on a second, I think I'm wrong there. Actually it is quarks. Quarks inside of protons and neutrons (which are called Hadron-baryons (or just baryons)), quarks have what is called an 'up' charge or a 'down' charge. An up quark has +2/3 charge and a down quark has a -1/3 charge.

    Other quarks with +2/3 charge are called: charmed and top.
    Other quarks with -1/3 charge are called strange and bottom.

    These different quarks are often reffered to as 'flavours'.

    Their motion inside of the proton (or neutron) causes a magnetic field. Neutrons don't have a magnetic effect because it has 2 down quarks (-1/3 chargex2) and 1 up quark (+2/3), this results in neutrality. A proton has two up quarks and one down quark.

    "If you wish to make an apple pie from scratch, you must first invent the universe". - Carl Sagan
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