1焦耳等于多少千瓦时?

1焦耳等于多少千瓦时?..
2025-04-08 11:03:55
推荐回答(1个)
回答1:

1千瓦·时(kW·h)=3600000焦耳(J)。
功的单位有焦耳和千瓦时,它们之间的关系如下:
1焦=1瓦×秒,1千瓦时=1千瓦×1小时=1000瓦×1小时=1000瓦×3600秒=3600000焦。即:1千瓦时=3.6×10^6焦。
字母单位表示如下:
1kW‧h=1kW×h=1000W×h=1000W×3600s=3600000J
(J是功的基本单位焦耳的符号)。
扩展资料:
电功率是用来表示消耗电能的快慢(电功率单位是瓦

焦耳/秒。也常用
瓩=千瓦)。有功功率在公式中用大写P表示。电功在电学中往往也是电能的表现,那么千瓦时通常也就会是电能的单位。电功在公式中用大写W表示。
电功率的公式:P=W/t
(公式中的t表示时间,基本单位为秒-s,也常用单位小时-h来作计算)电功率的测量公式:P=UI
(公式中的U表示电压,基本单位为伏特-V;大写I表示电流,基本单位为安培-A)。根据欧姆定律:U=IR
(公式中的R表示电阻,基本单位为欧姆-Ω)。
有关千瓦·时的单位换算:
(1)一千瓦·时等于:1.3596112米制马力·时。
(2)一千瓦·时等于:1.3408927英制马力·时。
(3)一千瓦·时等于:8.599712023×10 千卡。
(4)一千瓦·时等于:3.411×10 英热单位。
参考资料来源:搜狗百科-度

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