John Travoltage

Instructions

Shock John Travoltage. What else can I say?
  1. What happens to the excess charge that John Travoltage has acquired? Why does it do that?
  2. How does the position of his hand change the amount of charge needed for a spark? Why?
  3. What's the longest spark you can make?
Credits: PhET Interactive Simulations University of Colorado Boulder https://phet.colorado.edu