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24.雙極性NPN型電晶體操作在工作區時集極電流隨變動的原因, 下列何者正確? (A)變大,集極有效寬度變小 (B)變大,集極有效寬度變大 (C)變大,基極有效寬度變小 (D)變大,基極有效寬度變大
問題詳情
24.雙極性NPN型電晶體操作在工作區時集極電流隨
變動的原因, 下列何者正確?
(A)
變大,集極有效寬度變小
(B)
變大,集極有效寬度變大
(C)
變大,基極有效寬度變小
(D)
變大,基極有效寬度變大
參考答案
答案:C
統計:A:0,B:0,C:5,D:0,E:0
難度:計算中
上一篇 :
3. 將一加馬點射源活度增加至原來的 10 倍,並將人員工作位置變更至原來的 10 倍遠,假設並無任何屏蔽衰減,則在新活度射源照射下,於新工作位置之輻射曝露率為原來的多少倍? (A) 0.1 (B)
下一篇 :
17. 由下列鍵能及反應的 ΔH°,計算 N–F 的鍵能。N2 鍵能 = 941 kJ\/molF2 鍵能 = 154 kJ\/mol 1\/2N2(g) + 3\/2F2(g) → NF3(
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