由集成 A 1 、 A 2 、 A 3 等元器件组成的反馈放大电路如图所示。设 A 1 、 A 2 、 A 3 均为理想。 试判断下面说法是否正确: 电阻 R 5 发生开路故障后,整个电路仍能实现放大。
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【简答题】Why did the author think that Butch seemed a little weird although very cute? Answer: Because when she [填空1] with Butch the first time, he kept [填空2] at her all night long. He flattered her and [填空3...
【简答题】一.听故事 “ 爱情与金钱 ”Chapter 3 ,回答问题 2020.3.5 1. Early next morning the house was quiet . Diane came out of her mother’s room and her face was very white . Why? Because she found her mother____________. ...