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Q.) Aphasoris

(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 - Option (A) -
a line which represents the magnitude and phase of an alternating quantity

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