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How to evaluate georg simon ohm? (Don't copy)
Georg simon ohm is a German physicist.

Ohm discovered the proportional relationship between current and voltage in resistance, that is, the famous ohm's law; He also proved that the resistance of a conductor is directly proportional to its length and inversely proportional to its cross-sectional area and conductivity. In the case of stable current, the charge moves not only on the surface of the conductor, but also on the whole cross section of the conductor. The international system of units "ohm" of resistance is named after him [1]. The name of ohm is also used in other physical and related technical contents, such as "ohmic contact", "ohmic sterilization" and "ohmmeter".