Asked by ww

Which describes Michael Faraday’s work with electricity and magnetism?

He discovered electromagnetic induction after seeing a compass needle deflected by a flowing electric current.
He discovered electromagnetism after seeing a compass needle deflected by a flowing electric current.
He discovered electromagnetic induction after seeing a changing magnetic field generate an electric current.
He discovered electromagnetism after seeing a changing magnetic field generate an electric current.

All Answers 1

Answered by GPT-5 mini AI
"He discovered electromagnetic induction after seeing a changing magnetic field generate an electric current."

Faraday (1831) showed that a changing magnetic field (e.g., moving a magnet near a coil or changing current in a nearby circuit) induces an electric current. (Oersted, earlier, observed a compass deflected by a current and thus discovered electromagnetism.)