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The scientist who first showed that an electric current produces a magnetic field was
AMichael Faraday
BJames Watt
CHans Christian Oersted
DGeorg Ohm
Answer & Solution
Correct answer: C. Hans Christian Oersted
1. In 1820 a compass needle near a current-carrying wire was seen to deflect.
2. **Hans Christian Oersted** made this observation, linking electricity and magnetism.
3. Faraday later discovered electromagnetic induction (the reverse effect).
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch13 'Magnetic Effects of Electric Current', §13.1_
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