Two spheres A & B of radii 4 cm & 6 cm are given charges of 80 μC & 40 μC respectively. If they are connected by a fine wire, the amount of charge flowing from one to the other 1s
1
32 μC from B to A
2
32 μC from A to B
3
20 μC from A to B
4
16 μC from B to A