I have a problem with a electrostatics problem: there are two spheres, each one of the same size carrying the same amount of charge, but of different sign. They are connected by a conducting wire, which is later removed. How does it affect their masses and charges?
I think that after connecting the spheres with a wire charges are evenly distributed, so after the wire is removed the spheres should be uncharged. I assume that all of the charges are electrons, so the excess charges should move to the sphere with an electron deficiency. Thus, the mass of the sphere which was positively charged should increase (the mass of the previously negatively charged sphere should decrease). Am I correct?