A three-phase transformer bank, containing three single-phase transformers, is used to step down the voltage of a three-phase, 6,600V transmission line. If the primary line current is 10A, calculate the secondary line voltage for Y-A connection. The turn ratio is 12. Neglect losses. * O 17.32 A O 207.85A O 120A O 360A Which of the following three-phase connections of a transformer causes interference to the nearby communication systems? * O Star-star Star-delta O Delta-star O Delta-delta

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