[標題] 基本電學
出處:宏典文化
14題圖7小弟想破頭還是無解,書本上的答案是寫說:P8i=I^2*Req=30^2*2*(10/3)=6000W
不知道30跟那個2是怎麼算的,還請各位大
大為小弟解惑><
http://i.imgur.com/2NjzsPX.jpg
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