Estimate the required radius of each plate. The plates are separated in air by 0.01mm and has a capacitance of 400pF. There are 4 pairs of plates.
c= εrε0*A(n-1)/ d
The Attempt at a SolutionFind area. Transposing for A
A = dc/εrεo
I am getting 6.457^-27mm.
I am going wrong somewhere, pretty sure the equation is correct though.