Simple Model of Charges in an Insulator
Effect of Rubbing a Negatively Charged Ribbon
  • Note that the small vibrations of the negative charges, once they get deposited on the bottom ribbon are not shown.
  • Once the "essentially static" negative charges (the blue ones) on the charged ribbon are transferred to the insulating block, they remain essentially static at the position they get deposited at.
  • Note the position of the negative charges in the bottom ribbon and how they are affected by approching the top ribbon and later by the transfer of the excess negative charges.
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Authored by Taha Mzoughi,
based on Wolfgang Christian's PhysLets and inspired by http://physics.bu.edu/~duffy/semester2/c01_charging.html. Part of the code was from Andrew Duffy's simulation.