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10 在一均勻電場環境中,將一個 2 庫倫的電荷沿電場的反方向移動 10 公尺需做功 100 焦耳,求該電場強度為多少伏特/公尺?(A)50 (B)10 (C)5 (D)2
問題詳情
10 在一均勻電場環境中,將一個 2 庫倫的電荷沿電場的反方向移動 10 公尺需做功 100 焦耳,求該電場強度為多少伏特/公尺?
(A)50
(B)10
(C)5
(D)2
參考答案
答案:C
難度:
簡單
0.681
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鯊丁魚
】評論
W=Fd F=W/d=100/1........
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鐘土豆
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點這裏免費看110年鐵路特考佐級40題選擇題全部詳解
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9 有兩個電阻器 R1 及 R2,電阻值比為 R1:R2=1:4,今將其串聯後,接於電源,已知 R1 電阻器之電壓降為 4 V,R2 消耗之功率為 32 W,則 R2 為多少 Ω?(A)2 (B)4
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將下圖轉換為下面的等效電路,【題組】11 其 R1 為何?(A)125/3 Ω (B)25/3 Ω (C)15 Ω (D)25 Ω
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