. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. OVER SUBMARINE CABLES 93 We liave now succcecled in cxpressin;j; tlu' electric forces in the conductors as linear functions of the currents /i . . /â, the coeffi- cients being of the nature of inipxxlances, by a method which is simply an application of the principle of continuity of magnetic field intensity. The remaining boundar\- condition, continuity of the tangential component of electrical field intensit\- gives, where two consecutive cylinders are
. The Bell System technical journal. Telecommunication; Electric engineering; Communication; Electronics; Science; Technology. OVER SUBMARINE CABLES 93 We liave now succcecled in cxpressin;j; tlu' electric forces in the conductors as linear functions of the currents /i . . /â, the coeffi- cients being of the nature of inipxxlances, by a method which is simply an application of the principle of continuity of magnetic field intensity. The remaining boundar\- condition, continuity of the tangential component of electrical field intensit\- gives, where two consecutive cylinders are in electrical contact, EAr-Ey - [t;:-,: - 7/, ]/, + ... + [z;+..^-z^] /,â + Z'j+,,j+Jj+, = 0. (9) This gives m relations between the n currents of the system, m being the number of contacts between successive cylinders. In the case where the j and (_; + l)st conductors are separated by a layer of dielectric material, a relation between the boundary values of electric field intensity may be obtained as follows: If Er is the radial electric field intensity in the dielectric, then Vi ^ / . Erdr is the potential difference between the j and {j + l)st conductors, in the sense employed in ordinary circuit theory. If we now apply the law curl h = â jj. -y: at (j + 1)^' Conductor. f' Conductor Fig. 1. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Telephone and Telegraph Company. [Short Hills, N. J. , etc. , American Telephone and Telegraph Co. ]
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
