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Homework Help: Can diffusion exist in this case?

  1. Jun 13, 2013 #1
    Hi,
    I want to ask if diffusion current can exist in the case:
    Assuming that small circles are electrons.
    attachment.php?attachmentid=59539&stc=1&d=1371184863.jpg
     

    Attached Files:

  2. jcsd
  3. May 7, 2014 #2
    Could anyone help?
     
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