High-frequency resistance of inductance coils

G. Breit
1922 Journal of the Franklin Institute  
The definition of tlie resistance of a coil is simple for direct current and may be given directly in terms of Ohm 's Law. Similarly, the computation of the resistance of a coil made of a wire of known length, cross section, and material is quite easy for direct current. The same problem becomes difficult if an alternating current of high frequency is used instead of a direct current. It is shown in this paper that a different definition of resistance must be given ; that the value of the
more » ... value of the resistance thus defined depends upon the point in the coil with respect to which the resistance is defined ; and it is shown how the resistance-variation method, described in Btu-eau of Standards Circular 74, may be employed to measure the resistance thus defined.
doi:10.1016/s0016-0032(22)90535-6 fatcat:rfjxnlb3mnejreud4mrgxbt4ei