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Which scientist demonstrated in 1831 that an electric current can be produced in a conductor with the help of a moving magnet?
AHans Christian Oersted
BHumphrey Davy
CJohn Fleming
DMichael Faraday
Answer & Solution
Correct answer: D. Michael Faraday
1. Producing current from a moving magnet is the discovery of electromagnetic induction.
2. The chapter states Michael Faraday showed this in 1831.
3. The option Oersted's discovery (1820) was the reverse: a current deflecting a magnetic needle.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 4 "Effects of Electric Current", p.65_
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