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49. 當溫度升高時,一般金屬導體之電阻值增加,矽半導體在溫度上升 時,其電阻值(A)不變(B)下降(C)上升(D)成絕緣體。
問題詳情
49. 當溫度升高時,一般金屬導體之電阻值增加,矽半導體在溫度上升
時,其電阻值
(A)不變
(B)下降
(C)上升
(D)成絕緣體。
參考答案
答案:B
難度:
計算中
-1
書單:
沒有書單,新增
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