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How we can measure the speed of the electron in an electric field

  1. Jun 6, 2008 #1
    how we can measure the speed of the electron in an electric field
     
  2. jcsd
  3. Jun 6, 2008 #2
    Under relativistic speeds the velocity can be calculated by expression for kinetic energy.
     
  4. Jun 6, 2008 #3
    You could also get a rough estimate by applying a magnetic field and exploiting F=q v x B and determining the curvature. You'd need to know the strength of the electric field though.
     
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