alleryWho first demonstrated the link between electricity and magnetism?
AHans Christian Oersted
BMichael Faraday
CAndre Marie Ampere
DJames Clerk Maxwell
Answer & Solution
Correct answer: A. Hans Christian Oersted
1. In 1820, Oersted noticed that a compass needle deflected when placed near a current-carrying wire.
2. This was the first evidence that electric currents produce magnetic effects.
3. Faraday later discovered electromagnetic induction, the reverse phenomenon.
4. So Oersted established the original link between electricity and magnetism.
_Source: syllabus Science Ch 13 'Magnetic Effects of Electric Current' (learncbse.in extract)_
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