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40. 假設N通道JFET其IDSS=10 mA,VGS(off)= -5 V,當JFET工作在定電流區時,求VGS= -1 V,其gm值為多少姆歐?(A) 2.7 mԼ (B) 3.2 mԼ (C)
問題詳情
40. 假設N通道JFET其IDSS=10 mA,VGS(off)= -5 V,當JFET工作在定電流區時,求VGS= -1 V,其gm值為多少姆歐?
(A) 2.7 mԼ
(B) 3.2 mԼ
(C) 4 mԼ
(D) 6 mԼ
參考答案
答案:B
難度:困難0.2
統計:A(1),B(1),C(1),D(1),E(0)
上一篇 :
1.變壓器接交流電源時,在空載時也會有損耗,這種損耗大部分是何種損耗?(A)渦流損(B)磁滯損(C)鐵損(D)銅損
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