 <translate> Quoc: Abubuwa uku da aka gano sun ƙalubalanci wannan tushe na magnetism, duk da haka. Na farko, a shekara ta 1819, Hans Christian Ørsted ya gano cewa wutar lantarki tana haifar da filin maganadisu da ke kewaye da ita. Bayan haka, a shekara ta 1820, André-Marie Ampère ya nuna cewa wayoyi masu kama da juna da suke da igiyoyi a hanya ɗaya suna jawo juna. A ƙarshe, Jean-Baptiste Biot da Félix Savart sun gano dokar Biot - Dokar Savart a 1820, wadda ta faɗi daidai filin magnetic a kusa da kowane waya mai ɗaukar wutar lantarki.  Amsa wannan tambaya bisa ga nassi: wanda ya gano filin magnetic na wutar lantarki? HW Chung: OK, wasu tunani: <ibo> Quoc: Otú ọ dị, nchọpụta atọ mere ka a ghara ikwere na magnetism. Nke mbụ, na 1819, Hans Christian Ørsted chọpụtara na ọkụ eletrik na-eme ka e nwee ikike ndọta nke na-agba ya gburugburu. Mgbe ahụ, na 1820, André-Marie Ampère gosiri na waya ndị yiri ibe ha bụ́ ndị na-agba otu ebe na-adọta ibe ha. N'ikpeazụ, Jean-Baptiste Biot na Félix Savart chọpụtara iwu Biot-Savart n'afọ 1820, nke na-ekwu n'ụzọ ziri ezi na magnetik dị gburugburu waya ọ bụla na-ebu ọkụ.  Zaa ajụjụ a dabere n'akụkụ Akwụkwọ Nsọ a: ònye chọpụtara magnetik nke ọkụ eletrik? HW Chung: OK, ụfọdụ echiche: 