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Question about Drift Velocity in Hall Effect

  1. Sep 30, 2014 #1
    upload_2014-9-30_11-18-8.png

    So my textbook is explaining the hall effect and the following equation was derived:

    ∆VH=vd·B·W

    But if you look at the diagram, it appears that vd is pointing both ways. So which direction is vd pointing in? Or is this because electrons in the opposite direction is the same thing as holes in the correct direction as per traditional current?
     
  2. jcsd
  3. Sep 30, 2014 #2
    Yes, the electrons and holes move in opposite directions.
     
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