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範例:長直導線與兩平行電流間的磁力

如圖所示，長直導線XY和矩形線圈ABCD同在一平面內。若在XY及ABCD上分別通以電流i1=20安培及i2=10安培(方向如箭頭所示)，則直導線XY作用於線圈ABCD上之力其大小為(A)8×10-5牛頓(B)1.6×10-4牛頓(C)2.4×10-4牛頓(D)4.0×10-5牛頓 (E)8×10-4牛頓。[64日大]


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Posted in 載流導線在磁場中的磁力.

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By admin – 2010 年 03 月 22 日

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