题目内容

监理规划中“工程项目概况”包括()

A. 工程项目名称
B. 工程项目主管部门
C. 工程项目地点
D. 主要建筑结构类型
E. 工程项目设计单位及施工单位名称

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整流、电容滤波电路中,滤波电容的接法是()。

A. 与负载电阻RL串联
B. 与整流二极管并联
C. 与负载电阻RL并联

N Channel Enhanced Field Effect Transistor (N-EMOS) at saturation,it's grid source voltagev VGS is( ):

A. Equal to 0
B. Negative polarity
C. Positive polarity
D. Unable to determine polarity

P Channel Enhanced Field Effect Transistor(P-EMOS)at saturation,Their external working conditions are ( )

A. VGSVGS-VGS(th)
B. VGS>VGS(th) VDS>VGS-VGS(th)
C. VGS>VGS(th) VDS D. VGS

N-EMOS external working conditions should includs that the substrate U-electrode connect to lowest potential of the circuit or to the S-electrode n (to guarantee source-drain PN junction inversion)。Above statement is ( )。

A. True
B. Fault
Can't judge
D.

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