The relationship between magnetism and electric current was discovered by Hans Christian Oersted.
Who was Hans Christian Oersted?
He was a physicist who discovered that electric currents create magnetic fields. He discovered electromagnetic induction after seeing a compass needle deflected by a flowing electric current. He also discovered electromagnetism after seeing a compass needle deflected by a flowing electric current and also found about electromagnetic induction after seeing a changing magnetic field generate an electric current.
Therefore, (A) option is the correct answer.
To learn more about Hans Christian Oersted, refer here :
https://brainly.com/question/2790462
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