A three-phase Δ-connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When I θa = 12 ∠30° A, what are the polar expressions for the other phase currents?

1. 

A three-phase -connected generator is driving a balanced load such that each phase current is 12 A in magnitude. When I θa = 12 30° A, what are the polar expressions for the other phase currents?
[A]. I θb = 12 150° A, I θc = 12–90° A
[B]. I θb = 12∠120° A, I θc = 12∠30° A
[C]. I θb = 12∠30° A, I θc = 12∠120° A
[D]. I θb = 12∠90° A, I θc = 12∠90° A

Answer: Option A

Explanation:

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