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Is there an electric or magnetic field acting on this electron

  1. Apr 28, 2006 #1
    the electron moves straight line through the space.Can we conclude there is no electric and magnetic field acts it? thanks for all answer
     
  2. jcsd
  3. Apr 28, 2006 #2

    Curious3141

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    Moving in a straight line - no mention of speed and whether it remains constant. This is a big hint.

    What happens when an electric field oriented along or directly opposite to the direction of movement is applied ? What happens to the direction of the electron's motion ? What happens to the speed of the electron ?

    What happens when a magnetic field oriented along or opposite to the direction of electron movement is applied ? Does the direction change ? Does the speed ?
     
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