基本電學戴維寧請教 - 考試

Zenobia · 2016-05-18

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求解
請版上各位大大解答一下
感謝!!!
http://i.imgur.com/GqIMMEF.jpg

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Charlie2016-05-21

E1短路 I斷路 VR2=E2*(R1並R2)/(R1並R2+R3)=12