Two copper balls, each weighing 10 g are kept in air 10 cm apart. If one electron from every `10^(6)` atoms is transferred from one ball to the other, the coulomb force between them is (atomic weight of copper is 63.5)

Options

A. `2.0xx10^(6)`
B. `2.0xx10^(8)`
C. `2.0xx10^(4)`
D. `2.0xx10^(10)`

Answer

B