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It is well known ( since Michael Faraday 's work around 1830 ) that when an electrical conductor is placed within a magnetic field while relative motion occurs in a direction that the conductor cuts " across " ( or is cut " by " ) , rather than " along " , the lines of the magnetic field , an electric current is induced within the conductor .
 person: Michael Faraday
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Answer:
 person: Michael Faraday