In 1831 Faraday returned to his work on electricity and made what is arguably his most important discovery, namely that of electro-magnetic induction.
Sa 1831 Faraday ibabalik sa kanyang trabaho sa koryente at kung ano ang ginawa ay arguably kanyang pinaka-mahalagang pagkatuklas, namely na ng galing koryente-balani pagtatalaga sa tungkulin.