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.
SI derived unit of electric potential difference: volt-The volt is the potential difference between two points of a conduction wire carrying a constant current of one ampere (1A), when the power dissipated between these points is one watt (1W).ase quantities are said to have base units and derived quantities have derived units. For example, if displacement and time are chosen to be base quantities, then velocity is a derived quantity. Note that metres/second is pronounced metres per second.