[問題] 請問一題簡單電子學
請問我這樣解 哪邊出錯 ?
http://i.imgur.com/URcBIZb.jpg
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題目就是右上角藍色的部分阿 加上貝塔是50 求電壓增益 題目沒有給ri喔
※ 編輯: r833123 (111.253.118.67), 06/05/2015 07:02:29
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