批踢踢實業坊 Examination 板: [考題] 基本電學－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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批踢踢實業坊 Examination 板

[考題] 基本電學

Jul 7th 2013, 11:12, by a467455

作者a467455 (aidssos)

看板Examination

標題[考題] 基本電學

時間Sun Jul 7 11:12:01 2013

http://wwwc.moex.gov.tw/ExamQuesFiles/Question/099/13416500.pdf 99年公務人員特種考試身心障礙人員考試試題第三題我知道看阻抗並聯去算但是我想請問如果用這招去算是否可成立設一個虛擬電壓有效值100V 變成 IR=100/10(0度) IL=100/10(90度) IZ=100/10-j10(-45度) 然後在I=IR+IL(COS90-jsin90)+IZ(COS45+jsin45) 然後變成 Z=V/I Z(COS+JSIN) 請問這題可以這樣算嗎第五題 V=-60 I=-60/20 =-3A 但是 98年身障特考基本電學第三題 http://wwwc.moex.gov.tw/ExamQuesFiles/Question/098/012415500.pdf 卻變成v=32 答案是:32-12/10 +32/8=6A 同樣都是李進雲的詳解電路也都一樣為什麼有差呢謝謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.40.87.245 ※ 編輯: a467455 來自: 114.40.87.245 (07/07 11:14) ※ 編輯: a467455 來自: 114.40.87.245 (07/07 11:16)

推 hamping:第3題,純粹的複數運數就OK了,有必要這樣麻煩嗎 07/07 11:35

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