Final answer:Given a current of 2.0Amps, the charge that flows through a wire in one second is 2.0 Coulombs. Given the charge of an electron is about -1.60×10^-19 Coulombs, approximately 1.25x10^19 electrons flow across the wire's cross section in that same second.Explanation:The question is asking for the amount of charge that has flowed through across sectionof a wire in one second when the current is 2.0 Amperes. The rate at which the charge flows, or current, is defined as the amount of charge passing through a given area in a set time, usually measured in Amperes. In this case, an Ampere signifies the flow of one Coulomb of charge per second. Therefore, for acurrentof 2.0A flowing for 1.0s, the charge that flows through the wire is 2.0 Coulombs.To calculate the number of electrons in this quantity of charge, we need to know the charge of an electron, which is approximately -1.60×10-19Coulombsper electron. So, to find the number of electrons in 2 Coulombs, we divide 2.0 Coulombs by the charge of an electron:2.0 Coulombs ÷ 1.60×10-19 Coulombs/electron ≈ 1.25×1019 electrons.This means that approximately 1.25 x 1019 electrons flow across the wire's cross section in one second.Learn more aboutAmpshere:brainly.com/question/33186080#SPJ11...

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