The three impedances Z1 = 20∠30⁰Ω, Z2 = 40∠60⁰Ω, Z3 = 10� – McqOptions

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1.	The three impedances Z1 = 20∠30⁰Ω, Z2 = 40∠60⁰Ω, Z3 = 10∠-90⁰Ω are delta-connected to a 400V, 3 – Ø system. Find the line current I1.
A.	(-51.96-j10) A
B.	(-51.96+j10) A
C.	(51.96+j10) A
D.	(51.96+j10) A
Answer» D. (51.96+j10) A

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