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Particle detectors and Flemming LH rule

  1. Feb 29, 2012 #1
    1. The problem statement, all variables and given/known data

    (the most important aspect is the CHARGE)

    2. Relevant equations

    3. The attempt at a solution
    so we know that the first finger (using flemming LHR) is into the page
    but there are two possibilities:
    (a) current up and force left
    (b) current right and force up

    WHICH one would I use and why?
    I have never really been able to distinguish the two from each other with regards to LH rule in questions like this

  2. jcsd
  3. Feb 29, 2012 #2
    btw I think C is +ive
    who agrees?
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