鐵路基本電學幾題疑問 - 考試

By Olivia
at 2015-07-10T11:08
at 2015-07-10T11:08
Table of Contents
http://i.imgur.com/aN80qV0.jpg
請問這題是題目寫錯嗎?用串聯公式才帶的出來
並聯公式Q=R*根號C/L=0.68
串聯 Q=1/R*根號L/C=1.45
http://i.imgur.com/emYGj48.jpg
想法是額定馬力10HP是指輸出7460W
我的算式是7460*60*10=4476kJ
解答是7460/0.8*60*10=5595kJ
消耗不是指輸出嗎?請教我觀念錯在哪裡
以下三題求解法…
http://i.imgur.com/swSH5Rj.jpg
這題自己算是1.25V
答案10V怎麼算出來的
http://i.imgur.com/GS9zemX.jpg
答案是3A和-10歐姆
問題有點多,感謝
--
Sent from my Android
--
請問這題是題目寫錯嗎?用串聯公式才帶的出來
並聯公式Q=R*根號C/L=0.68
串聯 Q=1/R*根號L/C=1.45
http://i.imgur.com/emYGj48.jpg
想法是額定馬力10HP是指輸出7460W
我的算式是7460*60*10=4476kJ
解答是7460/0.8*60*10=5595kJ
消耗不是指輸出嗎?請教我觀念錯在哪裡
以下三題求解法…
http://i.imgur.com/swSH5Rj.jpg
這題自己算是1.25V
答案10V怎麼算出來的
http://i.imgur.com/GS9zemX.jpg
答案是3A和-10歐姆
問題有點多,感謝
--
Sent from my Android
--
Tags:
考試
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