問題詳情
3.0一條載流長直導線放在一通有電流之螺線管內，若導線與螺線管中心軸重合，則在管內導線所受磁力情形，下列何者正確？ 
(A)受磁力，與導線中之電流成反比
(B)受磁力，與導線中之電流平方成反比
(C)受磁力，與螺線管匝數多寡有關
(D)不受磁力
(E)受磁力，與導線垂直。
(A)受磁力，與導線中之電流成反比
(B)受磁力，與導線中之電流平方成反比
(C)受磁力，與螺線管匝數多寡有關
(D)不受磁力
(E)受磁力，與導線垂直。
參考答案
答案：D[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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