Electrcity: Watt and Power

Question	Answer
One watt is ...?	One watt is the rate at which work is done when an object's velocity is held constant at one meter per second against constant opposing force of one newton.
In terms of electromagnetism one watt is...?	one watt is the rate at which work is done when one ampere (A) of current flows through an electrical potential difference of one volt (V).
Who is the watt named after?	The watt is named after the Scottish scientist James Watt for his contributions to the development of the steam engine
What is Power?	Power is the rate at which energy is generated or consumed and hence is measured in units (e.g. watts) that represent 'energy per unit time'
1 gigawatt is equal to how many watts?	One billion watts
On average how much watts does one square meter of the earth receive from the sun?	A surface area of one square meter on Earth receives typically one kilowatt of sunlight from the sun (on a clear day at mid day).
What is symbol for a watt?	W
Define Watt:	The unit, defined as one joule per second, measures the rate of energy conversion or transfer.

Resource summary

	Created by PatrickNoonan about 11 years ago