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High conductivity materials in absolute temperatures

  1. Feb 19, 2015 #1
    what happen to the conductor if it reaches the critical temperature where high conductivity and then back to the original case does it preserve by an amount of high conductivity or high conductivity disappear
    just a question I'm engineering student electrical power department
     
  2. jcsd
  3. Feb 19, 2015 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF.

    For schoolwork-type questions, we require that you show some effort in answering your question. What have you read about superconductivity so far? What do you think will happen?
     
  4. Feb 19, 2015 #3
    all what I know that when a material be cooled to the critical temperature its changes to super conductive material and this mean no resistance so when we put voltage source for a short time there's a current move for un certain time &this property happens because there's no collision between electrons and each double of electrons be attracted to each other &if we put a magnet over super conducting material it will be hanged over it &Japanese man benefited it in flying train
    no more because we don't have interest with this science in egypt
     
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