如附圖，將兩導線做成彈簧狀，懸掛另一段導線AB，置於一馬蹄形磁鐵之間，通以由東向西的電流I，則導線AB受力情形如何？　(A)不受力　(B)向南　(C)向東　(D)向上。

問題詳情

5.如附圖，將兩導線做成彈簧狀，懸掛另一段導線AB，置於一馬蹄形磁鐵之間，通以由東向西的電流I，則導線AB受力情形如何？　
(A)不受力　
(B)向南　
(C)向東　
(D)向上。

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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