Overview

phasor


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A rotating vector that represents a sinusoidally varying quantity. Its length represents the amplitude of the quantity and it is imagined to rotate with angular velocity equal to the angular frequency of the quantity, so that the instantaneous value of the quantity is represented by its projection upon a fixed axis. The concept is convenient for representing the phase angle between two quantities; it is shown on a diagram as the angle between their phasors.

Subjects: Physics.


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