New listing 2012-2013 Free Comic Book Day Lot of 8 - Comicon-Marvel, DC, Simpsons, Tick.
Noun. 1. potential difference-the difference in electrical charge between two points in a circuit expressed in volts. electric potential, potential drop, voltage, potential. electrical phenomenon-a physical phenomenon involving electricity.
Electric forces can be either repulsive or attractive, whereas gravitational force is always: An area with excess electrons has a net ____ charge; an area with a deficit of electrons has a net___ charge. Electric potential difference are measured in_____.