Question

who discovered the phenomenon of magnetic effect of electric current​

Answer 1

Answer:

Oersted's law is the law that a steady electric current creates a magnetic field around it. This was discovered on April 21, 1820, by Danish physicist Hans Christian Oersted(1777–1851), when he noticed that the needle of a compass next to a wire carrying current turned.

Answer 2

HEY ITS YOUR ANSWER

THE PHENOMENON WAS DISCOVERED BY HANS CHRISTIAN OERSTED IN 1820