1kw·h=3600000J
由w=pt得t=w/p=3600000J/500W=7200s
7200s=2h
1kw·h=3600000J
由w=pt得t=w/p=3600000J/100W=36000s
36000s=10h
一个500W的电烤箱工作多少小时消耗1度电,1度电可供100W的灯工作多少小时
一个500W的电烤箱工作多少小时消耗1度电,1度电可供100W的灯工作多少小时
其他人气：869 ℃时间：2019-10-18 02:35:18
优质解答
我来回答
类似推荐
猜你喜欢
- 1初中英语演讲稿 两三分钟 最好有故事
- 2"而我喜欢的...始终是她的笑容..."这句翻译成英语是什么?
- 3如果短文中让画出表示颜色的词 有红黄蓝绿五颜六色还画五颜六色吗
- 4I want another two apples.同义句
- 5She was so shocked to see Mr.Such in his bright new suit (that) she gave a little jump.改成too to.
- 6---- readers said they were going to learn a new language.
- 7He said he would come but he did not ( ).
- 8高中化学中,常见的根离子都有哪些?
- 9是I have ever read the book
- 10五年级同学最喜欢球类,足球40%,羽毛球20%,乒乓球15%,其他10%,篮球15%.如果五年级有学生200人