[題目] 高中物理 電阻
[領域] 高中物理 電阻 (題目相關領域)
[來源] 一般參考書習題 (課本習題、考古題、參考書...)
[題目] http://ppt.cc/LDCS
[瓶頸]
這題的答案 有些是寫 DO 那條,有些卻是寫 CD 那條的電流才是最小的
(不確定哪個答案對)。
只大該知道用對稱去想,不過還是不太知道怎麼下手,希望有大大可以解惑
謝謝 !!
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