- #1
jamesjenson
- 4
- 0
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 parallel metal plates?
Homework Equations
E=Vd E= Q/4ε∏r2
The Attempt at a Solution
I have no clue whatsoever, the prof never even went over this, just a hint in the right direction would be apperaited