Ku dhammaystir weedha soo socota: Anigoo aqoonsan kaalinkii uu ka qaatay abuurista cilmiga korontada ee casriga ah, heshiis caalami ah, oo la saxiixay 1881
Bandhigga Caalamiga ah ee Korontada, wuxuu aasaasay ampere-ka oo ah halbeeg caadi ah oo cabbirka korontada ah, oo ay weheliso coulomb, volt, ohm, watt iyo farad, kuwaas oo loo magacaabay, siday u kala horreeyaan, ka dib markii Ampère's contemporaries Charles-Augustin de Coulomb ee Faransiiska, Alessandro Volta ee Talyaaniga, Georg Ohm ee Jarmalka, James Watt ee Scotland iyo Michael Faraday ee England. Magaca Ampère waa mid ka mid ah 72 magac oo lagu xardhay Eiffel Tower.