皮皮学，免费搜题
登录
搜题
【单选题】
下列哪个因素在古代与五行无关?A.
颜色
B.
音律
C.
体液
D.
朝代的德行
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】在图15.9.14(在教材中)的源极输出器中，已知U DD =12V，R S =12kΩ，R G1 =1MΩ，R G2 =500kΩ，R G =1MΩ。试求静态值、电压放大倍数、输入电阻和输出电阻。设V S ≈V G ，g m =0.9mA/V
【单选题】—— Alice looks sad. Did you tell her about the accident? ——— Yes， but I ________ her just before her final exams.
A.
shouldn’t tell
B.
shouldn’t have told
C.
needn’t tell
D.
mustn’t have told
【单选题】——Alice looks sad. Did you tell her about the accident? ——Yes, but I ______ her just before her final examinations.
A.
should have told
B.
shouldn’t have told
C.
needn’t have told
D.
must have told
【简答题】在图15.41所示的源极输出器中，已知U DD =12V，R S =12kΩ，R G1 =1MΩ，R G2 =500kΩ，R G =1MΩ。试求：静态值、电压放大倍数、输入电阻和输出电阻。设V S ≈V G ，g m =0.9mA/V。
【单选题】--- Alice looks sad. Did you tell her about her brother’s accident? --- Sorry, I ________ her just before her final exams.
A.
can’t tell
B.
mustn’t have told
C.
needn’t tell
D.
shouldn’t have told
【单选题】运算放大器组成的电压表电路如图所示，已知输出端所接电压表满量程为5V，且RF=1MΩ。若要得到O．5V、5V、50V三种量程，则R1、R2、R3的阻值分别为：
A.
0．1MΩ，1MΩ，10MΩ
B.
O．5MΩ，5MΩ，50MΩ
C.
10MΩ，1MΩ，O．1MΩ
D.
50MΩ，5MΩ，O．5MΩ
【简答题】电路如下图a所示，已知V DD =15V，R G =1MΩ，R S =R L =2kΩ，场效应管I DSS =4mA，U GS(off) =-4V
相关题目：
参考解析：
知识点：
题目纠错 0
发布
