基本電學 - 考試
By Tom
at 2014-05-13T02:12
at 2014-05-13T02:12
Table of Contents
[問題] 應考資格、各種國考疑難雜症等,以有正確作法、答案者為主
(不包括書裡的疑問)。若問題如人生規劃、讀書計畫等,無一
定作法、答案者,請用閒聊選項。
問題:http://ppt.cc/w9My (第一題及第三題)
第一題之想法:設最下面那點接地 3歐姆與9歐姆中間節點為V
利用KCL=>(1-V)/3=V/(3/2)+(V-12)/9
=>V=9/4
=>I=(9/4)/(3/2)=1.5A (wrong)
使用密爾門 求得V=3/2(正確)
但是為何上面之6歐姆可以移除????
第三題Rt會求 想請問I是有有較快的方法求得 還是需使用重疊原理?
懇請大大指教~~~感謝~~~~~~
--
(不包括書裡的疑問)。若問題如人生規劃、讀書計畫等,無一
定作法、答案者,請用閒聊選項。
問題:http://ppt.cc/w9My (第一題及第三題)
第一題之想法:設最下面那點接地 3歐姆與9歐姆中間節點為V
利用KCL=>(1-V)/3=V/(3/2)+(V-12)/9
=>V=9/4
=>I=(9/4)/(3/2)=1.5A (wrong)
使用密爾門 求得V=3/2(正確)
但是為何上面之6歐姆可以移除????
第三題Rt會求 想請問I是有有較快的方法求得 還是需使用重疊原理?
懇請大大指教~~~感謝~~~~~~
--
Tags:
考試
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