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【单选题】
已知某 N 沟道增强型 MOS 场效应管的 V T = 4V 。 下表给出了四种状态下 u GS 和 u DS 的值,判断各状态下管子工作在什么区( a .恒流区, b .可变电阻区, c .截止区)。 管号 1 2 3 4 u GS / V 2 5 8 8 u DS / V 10 3 3 8 工作区A.
c,a,b,a
B.
b,a,c,a
C.
a,b,a,c
D.
c,b,a,c
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