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 I3.
A.	(24.646+j20) A
B.	(-24.646+j20) A
C.	(-24.646-j20) A
D.	(24.646-j20) A
Answer» D. (24.646-j20) A

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