Match the Column I (potential) with Column II (value) for electric potential at different points `P_1, P_2, P_3 and P_4` as shown in the figure with respect to an electric dipole.
Each points `P_1, P_2, P_3 and P_4` are equal distance r from mid-point `O` of dipole.
| Column I | Column II |
| A. `V_1` | p. 0 |
| B. `V_2` | q. `p/(4sqrt2pi epsilon_0r^2)` |
| C. `V_3` | r. `(-p)/(4piepsilon_0r^2)` |
| D. `V_4` | s. `p/(4pi epsilon_0r^2)` |
Options:
(a) A-r B-s C-q D-p
(b) A-p B-q C-r D-s
(c) A-s B-r C-q D-p
(d) A-s B-r C-p D-q