基本電學 - 考試
By James
at 2014-05-17T09:11
at 2014-05-17T09:11
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。
Q:設R=18歐姆 XL=36歐姆 Xc=12歐姆 串連接於AV120V
則此電路電源供給負載最大功率為
A:768W
想法:I=120/Z=120/30=4A
P=4^2*18=288W
不曉得觀念哪邊有誤
懇請各位高手解惑~感恩~~~
--
(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。
Q:設R=18歐姆 XL=36歐姆 Xc=12歐姆 串連接於AV120V
則此電路電源供給負載最大功率為
A:768W
想法:I=120/Z=120/30=4A
P=4^2*18=288W
不曉得觀念哪邊有誤
懇請各位高手解惑~感恩~~~
--
Tags:
考試
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at 2014-05-21T21:53
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