ELECTRICITY & MAGNETISM UNITS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site volt The SI unit of electromotive force or electrical potential difference. The volt is defined as the potential difference across a conductor when a current of one ampere dissipates one watt of power. It is named after the Italian physicist Alessandro Volta. Related categories    • ELECTRICITY AND MAGNETISM    • UNITS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP