12. A delta-connected resistive load 100Ω per phase is connected to a balanced three-phase three-wire 200V circuit. Choose a true statement.
(A)power factor is 0.5
(B) reactive power is 1200VA
(C) average power is 1200W
(D)line current is in phase with the line voltage
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統計: 尚無統計資料
統計: 尚無統計資料