[課業] 105台電基電已刪文
這題看很久,越看越怪
rms有效值應該有包含角度吧?
A角B
只是A不含根號2成分
http://i.imgur.com/OYWh29P.jpg
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※ 編輯: rossleu (27.246.234.17), 05/09/2017 10:50:06
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