Watt
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Watt (W)
The Watt (symbol: W) is the SI unit of power. The unit is defined as joule per second and can be used to express the rate of energy conversion or transfer with respect to time. It has dimensions of mass·length²·time⁻³ in the physical system of units.
Pronunciation
- English: /wɒt/
Etymology
The watt is named after James Watt, a Scottish inventor and mechanical engineer who is renowned for his improvements in steam engine technology.
Related Terms
- Joule: The SI unit of energy, equivalent to the work done by a one-watt power source in one second.
- Power (physics): The rate of doing work or transferring heat, the amount of energy transferred or converted per unit time.
- Energy: The capacity of a physical system to perform work.
- International System of Units: The modern form of the metric system, and is the most widely used system of measurement.
See Also
External links
- Medical encyclopedia article on Watt
- Wikipedia's article - Watt
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