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Electric fields, particles and deflection

  1. Jul 25, 2015 #1
    1. The problem statement, all variables and given/known data
    Explain the circumstances that enable a particle to move un-deflected with uniform motion through an electric field if it is given an initial velocity perpendicular to the electric field. Assume the electric field is the only field present.


    2. Relevant equations


    3. The attempt at a solution
    If the electric field was extremely weak and the particle had an extremely low charge.
     
  2. jcsd
  3. Jul 25, 2015 #2

    TSny

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    Can you think of a property that the particle might have (or not have) that would allow it to move undeflected (even in a strong electric field)?

    [EDIT: I think you're pretty close when you said "the particle had an extremely low charge". Why not go all the way? :woot:]
     
    Last edited: Jul 25, 2015
  4. Jul 25, 2015 #3
    I dont know how I missed that THANKS!!!! it should be neutral right?
     
  5. Jul 25, 2015 #4

    TSny

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    Yes, that would be one reason the particle doesn't deflect.

    Now, the original statement of the problem asks for "circumstances". But I can't think of anything else. (I don't think mental telepathy telekinesis would be an acceptable answer.)
     

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    Last edited: Jul 25, 2015
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