問題詳情
84. 單相三線 110/220V 供電，若負載不平衡，則負載較小之端電壓
(A)較低
(B)較高
(C)不變
(D)時高時低。
(A)較低
(B)較高
(C)不變
(D)時高時低。
參考答案
答案：B
難度：非常簡單1
統計：A(0),B(9),C(0),D(0),E(0)
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