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This Concept Map, created with IHMC CmapTools, has information related to: physics, metals such as copper wire, CURRENT is defined as ????, VOLTAGE also known as potential difference, conductors are metals, RESISTANCE its formula R= ρL/A, metals such as gold, ohmmeter named after George Simon Ohm, RESISTANCE device used to measure ohmmeter, ELECTRICAL QUANTITIES includes VOLTAGE, RESISTANCE symbol is R, VOLTAGE is denoted by ????, copper wire best used as electrical wiring, ???? named after Alesandro Volta, CURRENT has a formula I=V/R, CURRENT discovered by Andrie Marie Ampere, potential difference or electromotive force, metals such as ????, metals such as silver, RESISTANCE has a unit of ohm(Ω), RESISTANCE its formula R= V/I