皮皮学，免费搜题
登录
搜题
【简答题】
桥式功率放大电路如下图所示。设图中参数R 1 =R 2 =10kΩ，R 2 =15kΩ，R 4 =25kΩ和R L =1.2kΩ，v i 为正弦波，放大器A 1 、A 2 的工作电源为±15V，每个放大器的输出电压峰值限制在±13V。试求：(1)A 1 、A 2 的电压增益A v1 =v o1 /v i =?A v2 =v o2 /v i =?(2)负载R L 能得到的最大功率；(3)输入电压的峰值。
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】我国现阶段实行按劳分配为主体、多种分配方式并存的分配制度,从根本上是由
A.
我国现阶段的所有制结构决定的
B.
我国现阶段所有制的实现形式决定的
C.
我国的基本国情决定的
D.
我国国有经济的主体地位决定的
【简答题】收到交通学校交来的8000元转账支票一张,其中5000元用以归还以前欠货款,另外3000元作为预收款(转账支票号Z114)。收款单如何填写
【单选题】Macroeconomics differs from microeconomics in that:
A.
macroeconomics studies the decisions of individuals.
B.
microeconomics looks at the economy as a whole.
C.
macroeconomics studies the behavior of government while microeconomics looks at private corporations.
D.
macroeconomics focuses on the national economy and the global economy.
【单选题】我国现阶段实行按劳分配为主体、多种分配方式并存的分配制度是由( )。
A.
社会主义市场经济决定的
B.
公有制为主体,多种所有制经济共同发展的基本经济制度决定的
C.
社会主义初级阶段的基本国情决定的
D.
社会主义的本质决定的
【单选题】The difference between microeconomics and macroeconomics is that
A.
microeconomics looks at supply and demand for goods, macroeconomics looks at supply and demand for services.
B.
microeconomics looks at prices, macroeconomics looks at inflation.
C.
microeconomics looks at individual consumers, macroeconomics looks at national totals.
D.
microeconomics looks at national issues, macroeconomics looks at global issues.
【单选题】我国现阶段实行按劳分配为主体、多种分配方式并存的分配制度。实行这一分配制度从根本上说是由_________决定的。
A.
我国的基本经济制度
B.
社会主义条件下人们劳动的性质和特点
C.
我国社会主义初级阶段的生产力状况
D.
社会主义市场经济体制
【单选题】What is the fundamental difference between macroeconomics and macroeconomics?
A.
Macroeconomics involves studying the economy as a whole, while microeconomics involves studying the behavior of individual industries, firms, and households.
B.
Macroeconomics concentrates on those parts of the economy involving very large amounts of money, while microeconomics concentrates on those parts of the economy involving small sums of money.
C.
Macroeconomics studies the behavior of large firms, while microeconomics studies the behavior of small firms.
D.
There is no difference, basically macroeconomics and microeconomics are one and the same.
【单选题】The difference between microeconomics and macroeconomics is that microeconomics
A.
is the economics of the private sector and macroeconomics that of the public sector
B.
arises because of individual scarcity and macroeconomics because of general scarcity
C.
deals with an unplanned economy or sector and macroeconomics with a planned one
D.
is analysis at the level of individual decision making units while macroeconomics is analysis of the operation of the system in the aggregate
相关题目：
参考解析：
知识点：
题目纠错 0
发布
