| A | B |
|---|
| charge of a proton | +1.6 x 10^-19 |
| charge of an electron | -1.6 x 10^-19 |
| electric force constant k | 8.99 x 10^-19 |
| Electric Field Equation | E = F/q |
| Electrostatic Force Equations | F = kq1q2/r^2 |
| Work equation | W = Vq |
| Units of work | Joules |
| Units of electrostatic force | Newtons |
| Units of electric field | Newtons per Coulomb |
| Units of charge | Coulombs |
| net charge equation | q = ne |
| Units for distance between charges | meters |
| n | number of excess charges |
| e | elementary charge |
| electric field around a positive charge |  |
| electric field around a negative charge |  |
| electric field around 2 positive charges |  |
| electric field around 2 negative charges |  |
| electric field around a positive and a negative charge |  |
| n must be | a whole number |
