A small sheet of aluminum foil measuring 2×2 cm is charged by rubbing it on some plastic material. The charge on the small sheet of aluminum foil is then measured and found to be Q. An uncharged sheet of gold foil measuring 4×4 cm is brought close and is now allowed to touch the aluminum foil before being separated again. (Note: both aluminum and gold are good conductors, and the area of the two materials is different). What is the total charge on the sheet of aluminum and on the sheet of gold, respectively
