Question

what did hans Christian oreseted did?​

Answer 1

discovered that electric current in a wire can deflect a magnetized compass needle,

Answer 2

Explanation:

$hope \: it \: helps \: you \: dear$

Oersted died in 1851. His 1820 discovery marked the beginning of a revolution in the understanding of electromagnetism, providing the first connection between what had been thought to be two very different physical phenomena.