Identical spheres will have identical capacitances and dimensions.
Force in first case = (k*32μ²)/r² (where k= 1/4πε)
after touching them, equal charge distribution between them takes place, then... link 9 years, 4 months ago
This type of question has already been asked!
only in this question, the charge has been made to... link 9 years, 4 months ago