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A. a line which represents the magnitude and phase of an alternating quantity
B. a line representing the magnitude and direction of an alternating quantity
C. a coloured tag or band for distinction between different phases of a 3-phase supply
D. an instrument used for measuring phases of an unbalanced 3-phase load

Correct Answer: a line which represents the magnitude and phase of an alternating quantity

Last Updated: December 11, 2018