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- "Optimizing Thomson's Jumping ring"
Synopsis: P. J. H. Tjossem and E. C. Brost, Am. J. Phys. 79 (4), 353-358 (2011). We explain a mass resonance of a famous alternating current electromagnetic demonstration that relies on the Faraday effect. Ask your instructor about it in Physics 132 or 335.
- "Measurements and mechanisms of Thomson's jumping ring"
P. J. H. Tjossem and V. Cornejo. Am. J. Phys. 68 (3), 238-244 (2000).
Department Chair : Physics
Grinnell, IA 50112United States
Education / Degrees:
Postdoc (Molecular Physics), 1987-89, National Institute of Standards and Technology Ph.D. (Applied Physics), 1987, Cornell University M.S. (Applied Physics), 1983, Cornell University B.A. (Physics), 1981, Swarthmore College
Phy-131: General Physics I with Lab Phy-132: General Physics II with Lab Phy-220: Electronics with Lab Phy-310: Computational Physics Phy-314: Thermodynamics Phy-335: Electromagnetic Theory Phy-462: Advanced Laboratory Tutorial: "Engineered Humans" Selected Research Students & Projects V. Cornejo '98 "Thomson's Jumping Ring" K. Ni '09 "Computed Tomography and the Radon Transform" F. Friesen '10 "FPGA" E. C. Brost '10 "Optimizing Thomson's Jumping Ring"
Primary Academic Interest:
Experimental atomic and molecular physics
Other Academic Interests:
Non-linear laser spectrometry Trace atom and molecule detection Electromagnetic puzzles