102 員級 電子工程 基本電學 第五題 - 考試

By Rebecca
at 2014-04-01T13:48
at 2014-04-01T13:48
Table of Contents
102 試題+詳解網址: http://ppt.cc/~GB1
進入網址後,找下方的 員級電子工程 基本電學 PDF 試題答案詳解 下載
請問第五題 左邊電源是 20cos(4t)
為何在計算過程中卻是使用 「20v」做計算
為何不是 20cos(4t) = 20sin(4t+90) = 10√2<90 = 「j10√2」來計算呢
我去找書店的試題詳解也是用「20v」計算
是否我有什麼部份誤解了呢
--
Sent from my Android
--
進入網址後,找下方的 員級電子工程 基本電學 PDF 試題答案詳解 下載
請問第五題 左邊電源是 20cos(4t)
為何在計算過程中卻是使用 「20v」做計算
為何不是 20cos(4t) = 20sin(4t+90) = 10√2<90 = 「j10√2」來計算呢
我去找書店的試題詳解也是用「20v」計算
是否我有什麼部份誤解了呢
--
Sent from my Android
--
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