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範例:載流圓線圈與電阻串並聯

材料均勻的長直導線上通有電流I，今將導線上的一段分成兩股截面積比為1:2的上下兩部分，分別成半徑為r之半圓而後又成一直線如圖所示，則圓心處O點之合成電流磁場為何?[竹中]


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Posted in 電流產生的磁場.

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By admin – 2010 年 03 月 15 日

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