Recent content by jamesjenson

ahhh! Ok, I don't see why I didnt see that, thanks!

ok, but doesn't {\sigma} mean Q/A ? and I don't have any info on the area of the plates here

Ok, so if there battery is removed then, and the plates don't touch anything, they would keep their charge, no? So the only change would be the distance between them?

Homework Statement Two metal plates are placed in parallel, 2mm apart. They are then connected to a fully charged 9V battery. Without discharging the plates, the battery is removed, after which the separation between them is increased to 1 cm. What is the new potential difference between the...