如圖所示,圖中X和Y兩點間的等效電阻值為多少? (A)5ΩB)7Ω(C)10Ω(D)15Ω。
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如圖所示,圖中X和Y兩點間的等效電阻值為多少? (A)5ΩB)7Ω(C)10Ω(D)15Ω。
Posted in 克希荷夫定則.
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By admin – 2009 年 12 月 28 日
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