Question

State the relationship between one joule and one volt

Answer 1

Electric potential (unit of potential:Volt) is defined as the work (Unit of work: Joule)required to transfer a unit positive electric charge(unit of charge: Coulomb), from an infinite distance to a given point against an electric field.

You have read that

P(Power) = IV

1 J/s =1 C/s x 1 V

1 V = 1J /1C

Answer 2

one volt is the potential difference between two points when one joule work is done to bring one coloumb charge from one point to another
1 V=1 J/1 C