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Ohm’s law

Ohm’s law Ohm’s law states that the electromotive force in a conductor is equal to the current strength multiplied by the resistance, expressed as E = CR.

Ohm’s law states that the electromotive force in a conductor is equal to the current strength multiplied by the resistance, expressed as E = CR. In this historical entry, it is presented as the basic relation linking voltage, current, and resistance.