Georg Ohm

Georg Simon Ohm was a German mathematician and physicist. As a school teacher, Ohm began his research with the new electrochemical cell, invented by Italian scientist Alessandro Volta. Using equipment of his own creation, Ohm found that there is a direct proportionality between the potential difference (voltage) applied across a conductor and the resultant electric current; this relation is known as Ohm's law.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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