Main Article Content
The charging capacitor is the standard textbook and classroom example for explaining the concept of the so-called Maxwell displacement current. A certain aspect of the problem, however, is often overlooked. It concerns the conditions for satisfaction of the Faraday-Henry law inside the capacitor. Expressions for the electromagnetic field are derived that properly satisfy all four of Maxwell’s equations in that region.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
- D. J. Griffiths, Introduction to Electrodynamics, 3rd Edition (Prentice-Hall, 1999).
- R. K. Wangsness, Electromagnetic Fields, 2nd Edition (Wiley, 1986).
- A. Shadowitz, The Electromagnetic Field (McGraw-Hill, 1975).
- V. Rojansky, Electromagnetic Fields and Waves (Dover, 1979).
- J. D. Jackson, Maxwell's Displacement Current Revisited, Eur. J. Phys. 20 (1999) 495.
- K. T. McDonald, Magnetic Field in a Time- Dependent Capacitor (Princeton, 2017).
- K. T. Selvan, A Revisiting of Scientific and Philosophical Perspectives on Maxwell's Displacement Current, IEEE Antennas and Propagation Magazine, Vol. 51, No. 3 (2009) 36.
- C. J. Papachristou, Introduction to Electromagnetic Theory and the Physics of Conducting Solids (META Publishing, 2017).