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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]
[詳解]
Posted in 電流產生的磁場.
Tagged with 必歐沙伐定律, 載流圓線圈, 電阻串並聯.
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By admin – 2010 年 03 月 15 日
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