 Ramba uchiverenga ndima ino - Kuonga mupiro wake mukugadzirwa kwesainzi yemazuva ano yemagetsi, chibvumirano chenyika dzakawanda, chakasainwa paInternational Exposition of Electricity muna 1881, akagadza ampere sechinhu chinoyera magetsi, pamwe chete necoulomb, volt, ohm, watt uye farad, ayo akatumidzwa, zvichiteerana, mushure mevanhu vakararama panguva imwe chete naAmpère Charles-Augustin de Coulomb weFrance, Alessandro Volta weItaly, Georg Ohm weGermany, James Watt weScotland naMichael Faraday weEngland. Zita raAmpère nderimwe remazita 72 akanyorwa paEiffel Tower. 