1. Homework Statement
the a shell is charged Va=120v
shell b is grounded, Vb=0V
What is the voltage in the center of shells (vo)?
The electric field in the center of shells?
The potential energy in the center of shells?
Homework Equations
Vr=Va+(1/r-1/a)/(1/a-1/b)Vab (from integrals)
though I...