Einstein, Lorentz, Minkowski, and Weyl, The Principle of Relativity, (1905). ◙Art Huffman, Special relativity demonstration, AJP 48, 780-781 (1980). ◙Lecture Demonstration Record Form.
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P1-21. Einstein's Relativity Experiment
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P1-21. Einstein's Relativity Experiment
Purpose
Show that electromagnetic theory obeys a relativity principle. ◙
Equipment
Magnet, earth inductor coil, overhead project microammneter. ◙
Images
Description
Measure the current (qualitatively) in a coil when the coil and a bar magnet are in relative motion. Einstein (1905) complained that the standard conceptualization (electric forces if the magnet moves, magnetic forces if the coil moves) seems more convoluted than the phenomenon which appears the same whichever component is "at rest."