Guess the fixed-charge signs, based on the trajectory of the moving charge!

Start animation    (Pause animation)

What is shown :

  • Moving charge - unknown sign of the charge
  • Fixed charges - unknown signs (+ or - or neutral)
  • Green fixed charge - known positive charge

Things to remember:

  • Restart or pause animation as you need.

Your tasks:

  • What are the signs of the various charges?
  • What is the sign of the moving test charge?

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