電路學解答問題 - 考試
By Odelette
at 2018-02-19T21:52
at 2018-02-19T21:52
Table of Contents
檢事官電子組104年 開關電路題目:
https://www.dropbox.com/s/v02aionuaukdiup/2018-02-19%2021.47.41.jpg?dl=0
劉承的解答:
https://www.dropbox.com/s/slth4jqz1zotr97/2018-02-19%2021.47.54.jpg?dl=0
問題在解答最後兩行
劉承並不是把ABCD用比較係數法求出來
而是直接把S=j2 or -1+j1 代入
請問這是什麼做法阿 ,為什麼能這麼代呢?
Thanks
--
https://www.dropbox.com/s/v02aionuaukdiup/2018-02-19%2021.47.41.jpg?dl=0
劉承的解答:
https://www.dropbox.com/s/slth4jqz1zotr97/2018-02-19%2021.47.54.jpg?dl=0
問題在解答最後兩行
劉承並不是把ABCD用比較係數法求出來
而是直接把S=j2 or -1+j1 代入
請問這是什麼做法阿 ,為什麼能這麼代呢?
Thanks
--
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