Abstract
IN a letter in NATURE of September 30, Mr. Arvon Glynne describes an elegant and simple method for the comparison of four-terminal resistors. In it, as he points out, two of the ‘potential’ leads have to carry a small current. I would like to direct attention to another method, almost as economical in apparatus, in which no current passes in any of these leads. Resistors of about 1/1000 ohm can be compared in this way with an accuracy of one part per thousand, using apparatus ordinarily available in a laboratory. The principle will be evident from the accompanying diagram.
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DOWLING, J. Comparing Resistances of Four-Terminal Resistors. Nature 144, 865–866 (1939). https://doi.org/10.1038/144865b0
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DOI: https://doi.org/10.1038/144865b0
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