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Homework Help: The meaning of u (Mu)?

  1. Mar 18, 2007 #1
    You are observing the effects of a single point charge with a magnitude of +4.3uC

    Calculate the strength of the electric field 3 cm away from the charge (in any direction

    I am curious as to the meaning of u (mu) in the above question. I am sure they would not have included it arbitrary but I am not aware of its value in this case.
  2. jcsd
  3. Mar 18, 2007 #2


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    It stands for "micro", which is 10^(-6).
  4. Mar 18, 2007 #3


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    The unit here is micro-coulomb (mu being the prefix for micro). One micro-coulomb has the value of 10-6 coulombs
  5. Mar 18, 2007 #4
    Thank you =)
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