Eyo iwon SI fun iwo ina ni ampere (A), to dogba mo sisan kiri coulomb kan agbara ina ni iseju aaya.Itumo Iye iwo ina (ti a won ni ampere) ti o n gba odeoju (surface) kan ko ja ni iye agbara ina (ti a won ni coulombs) ti o n san kiri l'odeoju na laarin asiko kan.. 
1914) ] - Émile Charìtíer, French Philosoire, journalist and Jástst (d.. 