The three impedances Z1 = 20 30 , Z2 = 40 60 , Z3 = 10 -90 are del – McqOptions

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1.	The three impedances Z1 = 20 30 , Z2 = 40 60 , Z3 = 10 -90 are delta-connected to a 400V, 3 system. Determine the phase current IR.
A.	(17.32-j10) A
B.	(-17.32-j10) A
C.	(17.32+j10) A
D.	(-17.32+j10) A
Answer» B. (-17.32-j10) A

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