<prompt> Feleletša polelwana e latelago: Ampere e reeletšwe ka radiphysics wa Mofora le radipalo André-Marie Ampère 17751836, yo a ithutilego ka matla-kgogedi a mohlagase gomme a thea motheo wa electrodynamics. E le go leboga dikabelo tša Ampère tša go hloma thutamahlale ya mehleng yeno ya tša mohlagase, kwano ya ditšhaba-tšhaba, yeo e saennwego ka 1881  <response>: International Exposition of Electricity, e ile ya thea ampere e le yuniti e tlwaelegilego ya go ela mohlagase bakeng sa mohlagase. 