Аннотация:This article presents a formula for the capacitance of a thin disk over a conducting plane correctedfor the edge effects and offers a number of generalized expressions for assessing the transfer impedance of capacitive electrodes over ground with finite conductivity. It is shown that the transfer impedance of an insulated wire on the ground in a wide frequency range is described by the Cole–Cole formula with an exponent parameter from 0.9 to 1