The three impedances Z1 = 20∠30⁰Ω, Z2 = 40∠60⁰Ω, Z3 = 10∠-90⁰Ω are delta-connected to a 400V, 3 – Ø system. Find the power in the B phase.
(a) 0
(b) 1
(c) 3
(d) 2
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The question is from Three-Phase Unbalanced Circuits topic in division Polyphase Circuits of Network Theory
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