Two identical small spheres carry charge of `Q_(1)` and `Q_(2)` with `Q_(1) gt gt Q_(2)`. The charges are d distance apart. The force they exert on one another and then spheres are made to touch one another and then separated to distance d apart. The force they exert on one another now is `F_(2)`. Then `F_(1)//F_(2)` is :-

Options

A. `(4Q_(1))/(Q_(2))`
B. `(Q_(1))/(4Q_(2))`
C. `(4Q_(2))/(Q_(1))`
D. `(Q_(2))/(4Q_(1))`

Answer

B