[請益] 基本電學問題
題目為第3題求戴維寧電壓,小弟用節點電壓法求得電壓為30V,但是解答為電流源等效後
得電壓12V,想請教是小弟那裡算錯了嗎?
https://i.imgur.com/ScIICOs.jpg
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