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Bismuth vs aluminum diamagnetism

  1. Sep 29, 2011 #1
    a few weeks ago i bought a number of pieces of 'bismuth' bullions... i already own a piece of aluminum , as well as a few neodymium magnets

    if i place the magnet on the aluminum and tilt the aluminum to make the magnet slide off, it will encounter some opposing force from eddy currents and slide slowly...
    but if i try to do the same with my new 'bismuth' pieces, it slides as if there is no magnetic interaction... is this to be expected?

    ::edit:: mods if this isnt posted in the right forum could it please be moved thanks
  2. jcsd
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