A body is said to have power of 1 watt if it does work at the rate of 1 joule in 1 s.
i.e. 1 W= (1 J)/(1 S)
Watt is the SI unit of power. Other units of power include ergs per second, horsepower, metric horsepower or cheval vapeur (CV)), and foot-pounds per minute. The unit Watt is named after the scientist James Watt. He has played a crucial role in transforming the world.
Learn more about power from the video given below: