%0 Generic %1 monteiro2020magnetic %A Monteiro, Martin %A Organtini, Giovanni %A Marti, Arturo C. %D 2020 %K teaching %T Magnetic fields produced by electric railways %U http://arxiv.org/abs/2006.06481 %X We propose a simple experiment to explore magnetic fields created by electric railways and compare them with a simple model and parameters estimated using easily available information. A pedestrian walking on an overpass above train tracks registers the components of the magnetic field with the built-in magnetometer of a smartphone. The experimental results are successfully compared with a model of the magnetic field of the transmission lines and the local Earth magnetic field. This experiment, suitable for a field trip, involves several abilities, such as modeling the magnetic field of power lines, looking up reliable information and estimating non-easily accessible quantities.

@misc{monteiro2020magnetic, abstract = {We propose a simple experiment to explore magnetic fields created by electric railways and compare them with a simple model and parameters estimated using easily available information. A pedestrian walking on an overpass above train tracks registers the components of the magnetic field with the built-in magnetometer of a smartphone. The experimental results are successfully compared with a model of the magnetic field of the transmission lines and the local Earth magnetic field. This experiment, suitable for a field trip, involves several abilities, such as modeling the magnetic field of power lines, looking up reliable information and estimating non-easily accessible quantities.}, added-at = {2020-06-12T11:01:22.000+0200}, author = {Monteiro, Martin and Organtini, Giovanni and Marti, Arturo C.}, biburl = {https://www.bibsonomy.org/bibtex/2dfb77a4aff14715452ba3856b5710319/cmcneile}, description = {Magnetic fields produced by electric railways}, interhash = {ab981cb32b3a556c14967714ad09b82c}, intrahash = {dfb77a4aff14715452ba3856b5710319}, keywords = {teaching}, note = {cite arxiv:2006.06481Comment: 5 pages, 3 figures}, timestamp = {2020-06-12T11:01:22.000+0200}, title = {Magnetic fields produced by electric railways}, url = {http://arxiv.org/abs/2006.06481}, year = 2020 }