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27. 在電晶體各組態中,若 IB 為固定,則電壓增益與電流增益乘積最高的是(A)共基極(B)共射極(C)共集極(D)共閘極。
問題詳情
27. 在電晶體各組態中,若 IB 為固定,則電壓增益與電流增益乘積最高的是
(A)共基極
(B)共射極
(C)共集極
(D)共閘極。
參考答案
答案:B
難度:簡單0.814815
統計:A(2),B(22),C(2),D(1),E(0)
上一篇 :
39.有一系統之轉換函數為 ,若輸入訊號為Vin(t)=cos(t)V,且已知 Tan-1(2)=63.4° ,試問輸出訊號之穩態響應 vout(t)=?(A)Vout(t)=0.95 cos(t-1
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9.當中央政府權力式微,就容易形成地方軍人割據的局面,如唐末藩鎮與民初軍閥都曾出現這種情形。請問:藩鎮或軍閥的特色為何?(A)重視民族精神,團結一致對付外敵(B)彼此之間倘若有紛爭,多靠關說協調(C)
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