coulomb (C)The derived unit of electric charge in the SI system of units. 1 coulomb (C) is equal to the charge transferred by a current of one ampere in one second (that is, 1 C = 1 A s). The unit is named after the French physicist Charles Coulomb (1736–1806). Related categories• ELECTRICITY AND MAGNETISM UNITS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |