下载APP
举一反三
【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...
A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry
相关题目：
【单选题】走车电路中设置1～3ZJ及DJ、LJ常闭触头是控制（）线圈电路。
A.
LLC
B.
LC
C.
LLC、LC
D.
ZC
【判断题】集成运放的输出级是共射或共源电路。( )
A.
正确
B.
错误
【多选题】如图所示电路的谐振角频率
A.
![]()
![]()
![]()
B.
100
C.
10
D.
![]()
![]()
【单选题】A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It is all translated to a fundamental change in the way we work. Already we've partly been...
A.
the service industry is relying more and more on the female work force
B.
manufacturing industries are steadily increasing
C.
people find it harder to earn a living by working in factories
D.
most of the job opportunities can now be found in service industry
【单选题】下列哪种滤波电路效果最好_______。
A.
电容滤波
B.
电感滤波
C.
∏型LC滤波
D.
∏型RC滤波
【判断题】差分放大电路是为了提高输入电阻而设置的。
A.
正确
B.
错误
【判断题】交流电路电压、电流的相位差为正值时，电路称为容性电路。
A.
正确
B.
错误
【单选题】可以把复杂电路化为若干简单电路来计算的定理是（）。
A.
基尔霍夫定律
B.
叠加定理
C.
欧姆定律
D.
戴维南定理
【判断题】输出方程、激励方程、状态方程是用来描述时序电路功能的！它们的形式为：
A.
正确
B.
错误
【单选题】下图所示电路实现（）运算。
A.
积分
B.
对数
C.
微分
D.
反对数
【多选题】IC卡中的CPU卡集成电路中有（）等部分。
A.
微处理器CPU
B.
随机存储器
C.
程序存储器
D.
用户数据存储器