皮皮学，免费搜题
登录
搜题
【简答题】
有一直流电源,其输出电压为110V、负载电阻为55Ω的直流负载,采用单相桥式整流电路(不带滤波器)供电。试求变压器副边电压和输出电流的平均值,并计算二极管的电流 和最高反向电压 。
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
【单选题】在全面质量管理中,关于职责,下面说法有误的是( )
A.
总经理：分析管理目标差异，组织制定措施并实施改进
B.
服务经理负责预约、接待顾客
C.
综合管理员负责每日5S检查及相关报表的收集或编制
D.
维修经理负责维修进度管理
【单选题】The Daylight Saving Time Energy Act of 1973 was responsible for
A.
preserving and setting Daylight Saving Time across the continent
B.
instituting five time zones in the United States
C.
extending Daylight Saving Time in the interest of energy conservation
D.
conserving energy by giving the Department of Transportation authority over time laws
【单选题】In which of the following aspects has the event had support?
A.
Saving energy.
B.
Saving water.
C.
Raising awareness about how to combat global warming.
D.
Increasing people's knowledge about saving electricity.
【单选题】Mount Wutai,_____we visited last month,attracts hundreds of thsousands of vistors every year.
A.
where
B.
which
C.
what
D.
as
【简答题】A．career-killing B．career-facilitating C．time-consuming D．energy-saving
【单选题】Saving energy means saving money.Homeowners and renters know this basic fact,but they often don’t know what kinds of adjustments they can make in their homes and apartments that will result in savings...
A.
You can reduce your $130 monthly lighting costs to $65 by using fluorescent bulbs instead of incandescent.
B.
Double-paned windows can cut energy costs.
C.
Your local energy company will send an energy auditor at your request.
D.
Some appliances have energy-saving settings.
【简答题】Where is Mount Taishan located?
相关题目：