[alpha] i^2
X^2 = ------- ------- + C[epsilon]^(8[pi]e^2k2qx/[alpha]i)
q k2^2e^2
Here x is measured from the positive electrode; it is more convenient
in this case, however, to measure it from the negative electrode. If x
be the distance from the negative electrode at which the electric
force is X, we have from equation (7)
[alpha] i^2
X^2 = ------- ------- + C^1[epsilon]^(8[pi]e^2k2qx/[alpha]i)
q k2^2e^2