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Re:无聊的数学题，推导如下In Reply To:无聊的数学题，推导如下 Posted by:200730690105 at 2008-09-12 14:21:18 电容的阻抗是1／（sC），所以sC(V1-V2)=V2/R=>V2=sRC／（1＋sRC）V1；s＝jw； ＝>V2=jwRC/(1+jwRC)V1 Followed by: Post your reply here: |
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