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[考題] 電路學
Sep 24th 2013, 11:08, by kkcaros

作者kkcaros ()

看板Examination

標題[考題] 電路學

時間Tue Sep 24 11:08:35 2013

[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處 經濟部101 電路電子學 http://ppt.cc/wKEY 此題共振題目有分品質因素Q值和Qe(這我沒聽過) 一般諧振+並聯 Q = QL/PL = V^2/XL / V^2/RL = RL/XL = R/WL 又題目有給fr = 1MHz , 可推得Q = R/(fr*L*2pi) R為15 // 1k = 14.78 ohm，L = 15uH 帶入得Q = 0.157 (X) 這兩題 希望有好心的版友能幫忙 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.109.23.73

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