Keep in mind that any voltage, by definition, is a difference in electric potential energy between two points. So while we may say that a voltage source has a voltage of 1.5V, we are actually saying that the voltage between the negative and positive polarities of the voltage source is 1.5V.
Jacksonville, Texas. As of the census[1] of 2000, there were 13,868 people, 4,882 households, and 3,358 families residing in the city. The population density was 981.0 people per square mile (378.7/km2). There were 5,397 housing units at an average density of 381.8 per square mile (147.4/km2).
1 Capital City: Tallahassee (pop. 168,979) (2010 est.) 2  Florida Population: 19,317,568 (2012 est.) (4th) 3  Florida Population: (per square mile)  U.S. State Populations: (all states)