1.

The three impedances Z1 = 20∠30⁰Ω, Z2 = 40∠60⁰Ω, Z3 = 10∠-90⁰Ω are delta-connected to a 400V, 3 – Ø system. Find the phase current IY.

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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