AmperageAmperageCurrent is represented by the upper case letter I (I stands for Intensity) in electrical mathematicalequations like "Ohm's Law". In 1881, to honor of French physicist Andre Marie Ampere (1775-1836), themeasurement of the quantity of current is done with the units of Amperes; amps for short. The upper case letter A is used to represent amperes on a Digital Multimeter (DMM).
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