E. Arribas, I. Escobar, R. Ramirez-Vazquez, A. C. Marti, M. Monteiro, C. Stari, A. Belendez
{"title":"Magnetic field of a linear octupole","authors":"E. Arribas, I. Escobar, R. Ramirez-Vazquez, A. C. Marti, M. Monteiro, C. Stari, A. Belendez","doi":"arxiv-2407.18958","DOIUrl":null,"url":null,"abstract":"We measure the magnetic field produced by a linear octupole formed by four\nmagnets placed in such a way that both their magnetic moments and their\nquadrupole moments cancel each other. The magnetic field is measured with the\nmagnetic sensor of a smartphone together with a suitable app, using the Android\noperating system. The main objective is to determine the dependence of the\nx-component of the magnetic field with distance and compare with the\ntheoretical result that tells us that this dependence is a quintic decrease.","PeriodicalId":501565,"journal":{"name":"arXiv - PHYS - Physics Education","volume":"173 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Physics Education","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2407.18958","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We measure the magnetic field produced by a linear octupole formed by four
magnets placed in such a way that both their magnetic moments and their
quadrupole moments cancel each other. The magnetic field is measured with the
magnetic sensor of a smartphone together with a suitable app, using the Android
operating system. The main objective is to determine the dependence of the
x-component of the magnetic field with distance and compare with the
theoretical result that tells us that this dependence is a quintic decrease.
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