皮皮学，免费搜题
登录
搜题
【简答题】
某变压器的输入电压为220V,输出电压为36V,原绕组825匝,现接一只36V,100W 灯泡,求:(1) 副绕组匝数? ( 2)灯泡中流过的电流?
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】On her way to the supermarket yesterday morning Mary met an old friend and stopped talking with him for quite a while.
A.
On her way
B.
met
C.
stopped talking
D.
while
【单选题】On her (way to) the supermarket yesterday morning, Mary (met) an old friend and stopped talking with him (for) quite a while.
A.
way to
B.
met
C.
stopped talking
D.
for
【单选题】(On her way) to the supermarket yesterday morning, Mary (met) an old friend and (stopped talking) with him for (quite a while).
A.
On her way
B.
met
C.
stopped talking
D.
quite a while
【简答题】阅读理解。 Mrs Green is going to give her daughter, Mary, a birthday party. Mary will be ten years old. A lot of her friends are coming to the party. Twenty of them are girls. Mrs Green is getting ready fo...
【单选题】关于评标，下列不正确的说法是( )。
A.
评标委员会成员名单一般应于开标前确定，且该名单在中标结果确定前应当保密
B.
评标委员会必须由技术、经济方面的专家组成，且其人数为5人以上的单数
C.
评标委员会成员应是从事相关专业领域工作满8年并具有高级职称或者同等专业水平
D.
评标委员会成员不得与任何投标人进行私人接触
【单选题】Mary is the love of my life. I still remember that I met her ____ the airport ____ a snowy evening.
A.
in; at
B.
at; on
C.
on; by
D.
to; before
【简答题】阅读理解。 Mrs Green is going to give her daughter, Mary, a birthday party. Mary will be ten years old. A lot of her friends are coming to the party. Twenty of them aire girls. Mrs Green is getting ready f...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
