1.

For the three-phase circuit shown in the figure the ratio of the currents IR: IY:IB is given by

A. \(1\;:\;1\; :\sqrt 3 \)
B. 1 : 1 : 2
C. 1 : 1 : 0
D. \(1:1:\sqrt {3/2} \)
Answer» B. 1 : 1 : 2


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