Question

Oersted discovered a connection between electricity and magnetism when he

observed:
A. the motion of a compass needle.
B. a light flickering.
C. a current-carrying wire heating up.
D. a current-carrying wire vibrating.

Answer 1

The answer to you question is A

Answer 2

"the motion of a compass needle." (option A)

Step-by-step explanation:

Oersted found that when conducting an electrical current through a wire, it was creating a magnetic field that affected a compass near by, and made the compass; needle to change position.

Therefore the correct answer is option A:

"the motion of a compass needle."