將一磁棒沿螺線管軸心向左運動，如附圖所示，則觀察者所見螺線管上的應電流方向為何？　(A)由a流向b　(B)由b流向a　(C)沒有電流

問題詳情

5. 將一磁棒沿螺線管軸心向左運動，如附圖所示，則觀察者所見螺線管上的應電流方向為何？　
(A)由a流向b　
(B)由b流向a　
(C)沒有電流

參考答案

答案：B
難度：非常困難0
統計：A(0),B(0),C(2),D(0),E(0)

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