Definition:SI/Power
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Definition
Various SI units of power which have specific names are as follows:
Watt
The watt is the SI unit of power.
It is defined as being the rate at which $1$ joule of energy is uniformly transformed in $1$ second:
- $1 \, \mathrm W = 1 \, \mathrm J \, \mathrm s^{-1}$
| \(\ds \) | \(\) | \(\ds 1\) | watt | |||||||||||
| \(\ds \) | \(=\) | \(\ds 10^7\) | ergs per second |
Kilowatt
The kilowatt is an SI unit of power.
| \(\ds \) | \(\) | \(\ds 1\) | kilowatt | |||||||||||
| \(\ds \) | \(=\) | \(\ds 1000\) | watts |