Baaxi ab soppalikaay ki leen njëkk a taxawal mooy Michael Faraday ci 1831, waaye li mu ci jubluwoon rekk moo doonoon biral baaxi yi nekk ci xiirtalug mbëjbijjaakon, kon xalaatul woon nan la man a nekkee jumtukaay buy jariñ ci dëgg-dëgg. Lucien Gaulard ak John Dixon Gibbs ci 1881 lañu génne ca Londar ab jumtukaay bees duppee woon «ñaareelu jurukaay», ñu daaldi jaay xalaat bi këru liggéey bu waa-aamerig ba Westinghouse. Mooy soppalikaay bees njëkk a jëfandikoo ci jëfe.