A symmetrical three-phase, three-wire 440V supply is connected to star – McqOptions

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1.	A symmetrical three-phase, three-wire 440V supply is connected to star-connected load. The impedances in each branch are ZR = (2+j3) , ZY = (1-j2) , ZB = (3+j4) . Find ZBR.
A.	(5.22-j0.82)
B.	(-3.02+j8)
C.	(-5.22+j0.82)
D.	(3.8-j0.38)
Answer» C. (-5.22+j0.82)

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