How did michael faraday discovered that magnet induces current?
In 1820 Oersted noticed that switvhing on a battery caoused a magnet needle on his compass to move. This a motor effect where electricity created magnetism. Faraday herad about this and wondered whether the reverse woyuld happen moving a magnet create electricity. Faraday in 1830 developed the homopolar generator that produced electricity from the motion of magnets.
