Simple Model of Charges in an Insulator
Effect of Rubbing a Positively Charged Ribbon
  • Note that the motion of the positive charges is not shown since it is quite small. Note also that the charges are not drawn to scale. This simulation shows only the excess charges.
  • Focus on what happens to the positive charges (the red ones) as they get transfered to the insulating block. They essentially remain motionless at the positions they get deposited.
  • Note that positive charges do not actually get transfered. Transfer of the negative charges from the bottom block to the ribbon gives us the impression of having positive charges move from ribbom to block.
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Authored by Taha Mzoughi,
based on Wolfgang Christian's PhysLets and inspired by Part of the code was from Andrew Duffy's simulation.