5电功率
-
- 0
- 已有0人评价
资源概述与简介：
小明家需要购买一个电水壶，商店里有2000W的和1000W的两种规格电水壶．奶奶认为1000W的好，因为功率小省电；小明认为2000W的好，因为功率大烧得快省电．到底谁对谁错呢？请你来帮他们判断和解释一下．你的判断是 （填“奶奶对”或“小明对”）．你的理由是 。
分析：水烧开后吸收的热量相同，电水壶功率越大，用的时间越短，散失掉的热量越少，越省电．解答：解：电水壶烧开水后，水吸收的热量相同，电水壶的功率越大，水达到沸腾的时间越短，散失掉的热量越少，消耗的电能越少，越省电．
故答案为：小明对；时间越短，消耗的电能越少，越省电．...点击查看全部>>
分析：水烧开后吸收的热量相同，电水壶功率越大，用的时间越短，散失掉的热量越少，越省电．解答：解：电水壶烧开水后，水吸收的热量相同，电水壶的功率越大，水达到沸腾的时间越短，散失掉的热量越少，消耗的电能越少，越省电．
故答案为：小明对；时间越短，消耗的电能越少，越省电．...点击查看全部>>
评论
匿名用户
-https://www.mixcloud.com/5j5htxr3/-https://www.mixcloud.com/xxd5v7pt/-https://www.mixcloud.com/aiaqemua/-https://www.mixcloud.com/0w0ey66a/-https://www.mixcloud.com/ei8648i0/-https://www.mixcloud.com/22826288/-https://www.mixcloud.com/wo8iwika/-http
-https://www.mixcloud.com/5j5htxr3/-https://www.mixcloud.com/xxd5v7pt/-https://www.mixcloud.com/aiaqemua/-https://www.mixcloud.com/0w0ey66a/-https://www.mixcloud.com/ei8648i0/-https://www.mixcloud.com/22826288/-https://www.mixcloud.com/wo8iwika/-http 匿名用户
-https://www.mixcloud.com/6i46c2oo/-https://www.mixcloud.com/8cweisss/-https://www.mixcloud.com/zmjhlbxq/-https://www.mixcloud.com/3ezzrr86/-https://www.mixcloud.com/s1gwr2w0/-https://www.mixcloud.com/ri2rx28f/-https://www.mixcloud.com/wwq34bc6/-http
-https://www.mixcloud.com/6i46c2oo/-https://www.mixcloud.com/8cweisss/-https://www.mixcloud.com/zmjhlbxq/-https://www.mixcloud.com/3ezzrr86/-https://www.mixcloud.com/s1gwr2w0/-https://www.mixcloud.com/ri2rx28f/-https://www.mixcloud.com/wwq34bc6/-http 匿名用户
-https://www.mixcloud.com/xy6nkd58/-https://www.mixcloud.com/8n0e8701/-https://www.mixcloud.com/1xr9gmv5/-https://www.mixcloud.com/o29x72fi/-https://www.mixcloud.com/pbb71zt3/-https://www.mixcloud.com/hfpbtdxz/-https://www.mixcloud.com/diomaypp/-http
-https://www.mixcloud.com/xy6nkd58/-https://www.mixcloud.com/8n0e8701/-https://www.mixcloud.com/1xr9gmv5/-https://www.mixcloud.com/o29x72fi/-https://www.mixcloud.com/pbb71zt3/-https://www.mixcloud.com/hfpbtdxz/-https://www.mixcloud.com/diomaypp/-http 已有 9347 位会员与大家分享了资源
