Watt

A Watt (abbreviated W) is the metric measure of power, named for James Watt.

Technically, it is force*velocity, or energy per time, and is equivalent to one joule per second. In relation to amperes and volts, one watt equals one ampere flowing at one volt, as: \[P_{avg} = \frac{\Delta E}{\Delta t},\] \[P_{inst} = (\vec F \cdot \hat T) \cdot v,\] \[P = I\Delta V\].

See also

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