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. Find the phase current I_Y.
A.	(10-j0) A
B.	(10+j0) A
C.	(-10+j0) A
D.	(-10-j0) A
Answer» D. (-10-j0) A

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