A charged object has a potential ( Voltage or Electric potential or Electrostatic potential or emf ) of 100 V at a distance of 6 m.

A charged object has a potential (Voltage or Electric potential or Electrostatic potential or emf ) of 100 V at a distance of 6 m. If the distance is increased to 84 m, then what will be the new potential?

7.1 V

4.2E+03 V

5.6E+03 V

2.8E+03 V

1.4E+03 V