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.
Potential Difference. The voltage difference between any two points in a circuit is known as the Potential Difference, pd or Voltage Drop and it is the difference between these two points that makes the current flow.