問題詳情
3. 如圖所示，三條材質、長度相同，但截面積不同的電阻線 C、D、E 串聯於A、B 兩端，截面積 E>D>C。若令 A 點的電位為零，則下列何圖表示由A 至 B 的電位？(縱軸為電位) 
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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