Question: who discovered the magnetic effect of electric current
Answer: Hans Christian Ørsted ( / ˈɜːrstɛd / ; Danish : ( hans kʁæsdjan ˈɶɐ̯sdɛð ) ; often rendered Oersted in English ; 14 August 1777 -- 9 March 1851 ) was a Danish physicist and chemist who discovered that electric currents create magnetic fields , which was the first connection found between electricity and magnetism .