State clearly the difference (a) between electric potential and clectric field, (b) between electric potential and electric potential energy 22. the si unit for electric potential energy is a) n b) j c) v d) c 23. the si unit for electric potential is e) n 0 j g) v h) c 24. a rock moving through a gravitational field is analogous to a charge moving through an electric field. ) positive ) negative k) neutral continuous distribution of 25. which of the following has the smallest poterntial difference associated with it? m) power supply for tv tube n) flashlight battery o) automobile ignition p) houschold outlet 26. to determine the work done, one can always just simply multiply force time distance. a) true b) false 27. which of these charge configurations was not an example from these sections? c) a sphere of charge d) a ring of charge e) a disk of charge f) two opposite point charges 28. a conductor must be entirely a) true b) false at the same potential in the static case. 29, the electron-yolt is an alternate unit for a) electric potential. b) electric potential energy c) electric current d) electric charge.