問題詳情
7.如下圖所示，導體的受力運動方向為：（ 
表示電流流出， 
表示電流流入方向） 
(A)左上右下
(B)左下右上
(C)左下右下
(D)左上右上
表示電流流出， 表示電流流入方向） (A)左上右下
(B)左下右上
(C)左下右下
(D)左上右上
參考答案
答案：A
難度：簡單0.818182
統計：A(18),B(2),C(0),D(2),E(0)
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