What are the signs and relative sizes of these charges?

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What is shown :

  • Labels : X and Y distances for the charge you are moving
  • Lines/vectors : Electric field lines (with directions) shown in blue

Things to remember:

  • You can move any of the charges at any time.
  • If you put a charge on top of another, you will get the "net charge".
  • When you move the charges, the lines will refresh.
  • While the lines are red, they are recalculating .. wait a second.
  • When the lines turn blue, they indicate the field directions.
  • If you hit the "refresh" button, the charges will reset to original locations.

Your tasks:

  • What are the signs of the charges?
  • What are the relative sizes of the charges?
  • What is the net charge of the system?

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