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.
Â· 7 years ago. Amps, watts, volts and ohms are units of measurement in a similar way that the metre is a unit for distance. The ampere (often shortened to amp) is the unit of electric current. The symbol for amps is A. Current is a measurement of how much charge is moving through a particular point in a unit of time.