[tex]Watts\: are\: defined \:as\: 1\: Watt\: = 1\: Joule }:per\: second\: (1W = 1 J/s) \:which\: means\: that \:1 kW\: = 1000 J/s. \:A \:Watt \:is\: the}: amount\: of \:energy \:(in Joules)\: that \:an\: electrical\: device\: (such \:as \:a\: light) \:is\: burning \:per \:second\: that\: it's\: running.[/tex]
