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Electrostatics problem, kinda confusing

  1. Oct 6, 2004 #1
    Two charges, one -q and one +q are located at x=-a and x=+a, respectively. Use a spreadsheet to plot the electric field along the x asix. Part of this problem is choosing a reasonable range for the plot.

    How do I go about doing this?
     
  2. jcsd
  3. Oct 6, 2004 #2

    Tide

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    How about a range of about +/- 5 or 10 a's?
     
  4. Oct 6, 2004 #3
    what about the rest of the problem. I'm having alot of problems grasping the concept of E-fields and stuff.
     
  5. Oct 9, 2004 #4

    Tide

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    For the rest of the problem simply apply Coulomb's Law to calculate the electric field produced by the two charges. Your difficulty will be that at the locations of the two charges the field will be infinite and your spreadsheet will not like that!
     
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