Encyclopedia > Watt

Article Content

Watt

The watt (symbol: W) is the SI derived unit for power. It is equivalent to 1 joule per second (1 J/s), or in electrical units, 1 volt-ampere (1 V · A). The watt was named after James Watt for his contributions in the development of the steam engine.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Quadratic formula

... solutions are also called the roots of the equation. The formula reads <math> x=\frac{-b \pm \sqrt {b^2-4ac}}{2a} </math> The term b2 – 4ac is ...