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Which scientist discovered in 1828 that potential difference across a conductor is proportional to current?
AMichael Faraday
BGeorg Simon Ohm
CAndre Marie Ampere
DGustav Kirchhoff
Answer & Solution
Correct answer: B. Georg Simon Ohm
Georg Simon Ohm found the V to I proportionality in 1828, before the physical mechanism of conduction was understood.
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