幾個電子學歷屆試題問題請教 - 考試
By Lydia
at 2013-12-06T20:10
at 2013-12-06T20:10
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
關於場效應電晶體(FET)之閘極電容敘述,下列何者正確?【93.地方 五】
(A)與場效應電晶體(FET)閘極之通道長度成反比
(B)與場效應電晶體(FET)閘極之通道寬度成反比
(C)與場效應電晶體(FET)閘極之通道面積成反比
(D)與場效應電晶體(FET)閘極之通道面積成正比
請問這題答案是(D),是依照甚麼公式作解釋呢?
如果是依照電容的基本公式,與A成正比,與D成反比,那選項(B)應該也正確才對吧
其他三個題目:http://ppt.cc/vZ7p
11題 題目圖 是增強型NMOS,依題意看,Vgs=0,
所以應該是「在操作過程中會【經過】哪一區吧」,是否題目錯了?
12題 Id我懂,可是通道電阻我不知道是看甚麼公式,不太懂
14題 這題我不會算
拜託各位了 謝謝!!
--
關於場效應電晶體(FET)之閘極電容敘述,下列何者正確?【93.地方 五】
(A)與場效應電晶體(FET)閘極之通道長度成反比
(B)與場效應電晶體(FET)閘極之通道寬度成反比
(C)與場效應電晶體(FET)閘極之通道面積成反比
(D)與場效應電晶體(FET)閘極之通道面積成正比
請問這題答案是(D),是依照甚麼公式作解釋呢?
如果是依照電容的基本公式,與A成正比,與D成反比,那選項(B)應該也正確才對吧
其他三個題目:http://ppt.cc/vZ7p
11題 題目圖 是增強型NMOS,依題意看,Vgs=0,
所以應該是「在操作過程中會【經過】哪一區吧」,是否題目錯了?
12題 Id我懂,可是通道電阻我不知道是看甚麼公式,不太懂
14題 這題我不會算
拜託各位了 謝謝!!
--
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考試
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