電機機械直流電機(串激場並聯電阻) - 考試

By Jacky
at 2015-09-25T18:47
at 2015-09-25T18:47
Table of Contents
大家好,放鬆了一下之後,寫著寫著又來一題想不太通!
題目如下:
http://i.imgur.com/MIuYOk4.jpg
我的想法是,
(1) 針對解答部分,畫出藍筆補上的是我覺得應該要考慮的部分,因為兩者場激電流根
本不同,應該要考慮吧?
(2) 除了這裡,解答的其餘部分我認為沒錯,但是修正後繼續解下去發現答案出來,一
個會是負值,一個就像我上面寫的很小,帶回驗證都不對,不知道問題在哪裡?
(3) 我自己有嘗試別種解法,答案如圖下方所示!
懇請大師開釋
--
Sent from my Android
--
題目如下:
http://i.imgur.com/MIuYOk4.jpg
我的想法是,
(1) 針對解答部分,畫出藍筆補上的是我覺得應該要考慮的部分,因為兩者場激電流根
本不同,應該要考慮吧?
(2) 除了這裡,解答的其餘部分我認為沒錯,但是修正後繼續解下去發現答案出來,一
個會是負值,一個就像我上面寫的很小,帶回驗證都不對,不知道問題在哪裡?
(3) 我自己有嘗試別種解法,答案如圖下方所示!
懇請大師開釋
--
Sent from my Android
--
Tags:
考試
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