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Volt ampere

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Volt ampere \Volt amp[`e]re\ (Elec.)
   A unit of electric measurement equal to the product of a volt
   and an ampere. For direct current it is a measure of power
   and is the same as a watt; for alternating current it is a
   measure of apparent power.
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