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批踢踢實業坊 Examination 板

幾題基本電學題目求解

Mar 23rd 2015, 21:37, by ca44512

作者ca44512 (ca44512)

看板Examination

標題幾題基本電學題目求解

時間Mon Mar 23 21:37:13 2015

http://i.imgur.com/cuveQqj.jpg

這題解答用節點來解可是我毫無頭緒看不懂他的意思.. 還有達到電橋時中間不是該0 安培嗎? http://i.imgur.com/tmFsy0q.jpg

為什麼答案是C不是D http://i.imgur.com/7zANIA5.jpg

磁通跟感應電勢不是成正比嗎?為什麼答案是定植 -- Sent from my Android -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 118.166.247.223 ※ 文章網址: https://www.ptt.cc/bbs/Examination/M.1427117835.A.A8D.html

推 gameboy0618: 第二題負載取內阻抗的共軛複數 6+j3 03/23 21:42

推 yanchinwer: 第二題因為是交流電路，在最大功率之情況下RL阻抗為R* 03/23 21:43

→ luozhen: 第一題用戴維寧定理去算比較快又簡單 03/23 21:43

推 ryuseigun: 線性增加所以微分會是定值(斜率不變) 03/23 22:05

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