焦耳
焦耳（简称焦）是国际单位制中能量、功或热量个导出单位，符号为J。来勒经典力学里，1焦耳等于施加1牛顿作用力经过1米距离所需个能量（或做的机械功）。来勒电磁学里，1焦耳等于将1安培电流通过1欧姆电阻1秒时间所需个能量。焦耳是因纪念物理学家詹姆斯·焦耳而命名。
This article uses material from the Wikipedia 吴语 article 焦耳, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). 除非另外声明，内容用CC BY-SA 4.0授权。 Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki 吴语 (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.