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20. 如圖所示,試求電路中的總電阻為何? (A) 0.5Ω (B) 1Ω (C) 2Ω (D) 5Ω。
問題詳情
20. 如圖所示,試求電路中的總電阻為何?
(A) 0.5Ω
(B) 1Ω
(C) 2Ω
(D) 5Ω。
參考答案
上一篇 :
22. 如下圖所示,假設社會上只有 A、B 二人,UA 與 UB 分別代表其效用水準。如果目前社 會福利的現況為 O 點,從 O 點移至何點時,可稱之為柏瑞圖改善(Pareto improve
下一篇 :
6.有一同平面平行力系如【圖 6】所示,其等效合力之作用位置到 A 點距離為多少公尺(m) ? (A) 3.0 m (B) 3.5 m (C) 4.2 m (D) 7.0 m
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