Magnetism: Electromagnetism
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Hans Christian Oersted discovered that an electric current produces a magnetic field. Michael Faraday found that moving a wire near a magnetic field produces an electric current. These discoveries... (more info)

Hans Christian Oersted discovered that an electric current produces a magnetic field. Michael Faraday found that moving a wire near a magnetic field produces an electric current. These discoveries led to electric motors and generators.

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