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

  • #1

Main Question or Discussion Point

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

Answers and Replies

  • #2
Under relativistic speeds the velocity can be calculated by expression for kinetic energy.
 
  • #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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