| A | B |
| Two 10 microfarad capacitors in series | 5 microfarads |
| SI unit for capacitance | Farad |
| Millikan oil drop experiment | Charge on electron |
| SI unit for electrostatic PE | Joule |
| SI unit for electric potential | Volt |
| Two 10 microfarad capacitors in parallel | 20 microfarads |
| Work to move 1 C through a potential difference of one volt | 1.0 J |
| Valid unit for electric field | Volt/meter |
| Charge one single electron | 1.6E-19 C |
| Valid unit for electric force | Dyne |