Question: what is meant by 1 joule?
Answer: The joule (/dʒaʊl, dʒuːl/ jawl, jool; symbol: J) is a derived unit of energy in the International System of Units. ... One joule can also be defined as the following: The work required to move an electric charge of one coulomb through an electrical potential difference of one volt, or one coulomb-volt (C⋅V).