Volt Ampere (V·A)
Volt Ampere (V·A) :
A unit of electrical load used in power engineering. In an alternating current circuit, if the potential (measured in volts) and the current (measured in amperes) vary in phase with each other, then the power delivered (measured inwatts) is the product of the potential and the current. In actual circuits, the potential and current are usually out of phase (see var, above), causing the device receiving the power to draw more current than its wattage requirements would suggest. The product of the potential and the actual current is the load, in volt amperes
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