Thin lens ray tracing
A ray tracing approach to thin lens analysis, based on a vector form of Snell's law for paraxial rays, is proposed as an alternative to the usual approach in introductory physics courses. The ray trac...
A ray tracing approach to thin lens analysis, based on a vector form of Snell's law for paraxial rays, is proposed as an alternative to the usual approach in introductory physics courses. The ray trac...
Energy balance problems in systems of induced and permanent electric and magnetic dipoles
There are many problems where a detailed understanding of the interaction energy of systems of dipoles is needed, including electrorheological and magnetorheological fluids, ferrofluids, magnetic comp...
There are many problems where a detailed understanding of the interaction energy of systems of dipoles is needed, including electrorheological and magnetorheological fluids, ferrofluids, magnetic comp...
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Transient behavior of simple RC circuits
American Journal of Physics -- December 2002 -- Volume 70, Issue 12, pp. 1187-1193
Issue Date: December 2002
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I report on simulations of the evolution of surface charges, the retarded electric potential, and the electric field in a simple resistor–capacitor (RC) circuit and in an RC circuit with a switch. The circuits have high resistance, so radiation and inductive effects are not significant. The simulations illustrate nonquasistatic effects due to the finite speed of light, and should be useful in teaching students how circuits respond to changes. ©2002 American Association of Physics Teachers.
| History: | Received 25 October 2001; accepted 26 July 2002 |
| Permalink: | http://dx.doi.org/10.1119/1.1508444 |