1. If 1.0 joule of work is required to move 1.0 coulomb | 5. Which electrical unit is equivalent to one joule? of charge between two points in an electric field, the potential difference between the two points is 1. 1.0 x 10 2. 9.0 x 109 3. 6.3 x 1018 V 4. 1.6 x 10-19 1. volt per meter 2. ampere-volt 3. volt per coulomb 4. coulomb.volt