Outlined below is a zip code list for Portland. Select a zip code you are interested in to find zip code data on demographics, family, housing, education, transportation, and real estate. See the Portland Zip Code Map.
For other uses, see Volt (disambiguation). The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
Part of the Electronics glossary: Also see voltage, resistance, and Ohm's Law. Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I.lso see voltage, resistance, and Ohm's Law. Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms.