Pedzisa mutsara unotevera: Mukuziva mupiro wake mukugadzirwa kwesayenzi yemagetsi yazvino uno, chibvumirano chamarudzi ose, chakasainwa pa 1881
International Exposition of Electricity, yakasimbisa ampere sechinhu chakajairika chekuyera magetsi, pamwe chete ne coulomb, volt, ohm, watt uye farad, ayo akatumidzwa, zvichiteerana, mushure mevanhu venguva imwe chete naAmpère Charles-Augustin de Coulomb weFrance, Alessandro Volta weItaly, Georg Ohm weGermany, James Watt weScotland uye Michael Faraday weEngland. Zita raAmpère nderimwe remazita 72 akanyorwa paEiffel Tower.