Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A unit of electric power equal to the product of one volt and one ampere, equivalent to one watt.

from The Century Dictionary and Cyclopedia

  • n. The rate of working or activity in an electric circuit when the electromotive force is one volt and the current one ampere; a watt.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere

Etymologies

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Examples

  • By power level: from a fraction of a volt-ampere (VA) to over a thousand MVA;

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  • The closer the power supply comes to delivering the rate amplifier, don't need to drill holes ideal power factor of 1 (where 1 volt-ampere produces 1 watt), the more efficient the power supply will be and in your walls, and don't need to snake the less strain it will place on your PC's wiring.

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  • Getting a true power - as opposed to a volt-ampere reading basically requires multiplying the voltage and current waveforms instant-by-instant and integrating the product over the period of one cycle.

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  • The Pro-Source 1500 is a 1500 VA (volt-ampere) UPS capable of supplying up to 900W of electricity.

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