- an electric measurement unit, equal to the product of one volt and one ampere, equivalent to one watt for direct current systems and a unit of apparent power for alternating current systems. Abbreviation: VA
Origin of volt-ampere
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the product of the potential in volts across an electrical circuit and the resultant current in amperesAbbreviation: VA
- A unit of electrical power equivalent to 1 watt or one thousandth (10-3) of a kilowatt.
- A unit of electric power equal to the product of one volt and one ampere, equivalent to one watt.
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