電路學相角問題 - 考試
By Skylar Davis
at 2016-01-06T23:06
at 2016-01-06T23:06
Table of Contents
請問各位高手,最近翻了以前高職的基本電學書籍發現,此本
書的功率因素角都是電流減電壓,不是應該電壓減電流嗎?
就像這題http://i.imgur.com/RaL1bGl.jpg
這樣一來虛功率不是會多個負號?
還是我觀念哪裡有錯誤?
麻煩開導一下 謝謝!!!!!
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考試
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