皮皮学，免费搜题
登录
搜题
【多选题】
已知 为集电极跟基极短路时发射结的反向饱和电,且知 ,针对下面电路,表述正确的是()A.
因： 则： 以因： , 故： , ,
B.
C.
其中：
D.
该电路实现乘法运算，要求两个输入信号的幅度远小于 ，对两输入的极性没有要求，是四象限乘法器。
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
【单选题】What type of eyes are found in the crab?
A.
Electronic eyes.
B.
Insect-shaped eyes.
C.
Compound eyes.
D.
Complicated eyes.
【单选题】Scientists are interested in the eyes of frogs because______.
A.
frogs' eyes are large and threatening
B.
frogs' eyes are extremely sharp
C.
frogs have compound eyes
D.
frogs can only see moving objects
【单选题】Talking about the preference for blue eyes, the author argues that ______.
A.
blue eyes are purely inherited
B.
few people will have blue eyes
C.
blue eyes will be less sexy
D.
people with blue eyes are usually wealthy
【简答题】阅读理解。 Eyes, Our Friends There is an old saying: Eyes are the window of the heart. Eyes are our friends. Taking care of our eyes is very important. When we read books, we must keep our eyes 0.3 meters ...
【简答题】A．Feeling painful in eyes. B．Not being able to open the eyes. C．Getting dry eyes. D．Blinking more than usual.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
