How far away is infinity? An electromagnetics exercise to develop intuition regarding models
Resumen:
The estimation of the electric field in simple situations provides an opportunity to develop intuition about the models used in physics. We propose an activity aimed at university students where the electric field of a finite line of charge is compared, analytically or numerically, with the fields of an infinite line and of a point charge. Contrary to intuition, it is not necessary to get very close for the line charge to be considered infinite, nor to move very far away for the finite line field to resemble that of a point charge. We conducted this activity with a group of students and found that many of them have not yet developed an adequate intuition about the approximations used in electromagnetism.
| 2021 | |
|
física Enseñanza de la física |
|
| Inglés | |
| ANEP. Consejo de Formación en Educación | |
| RIdAA-CFE | |
| http://repositorio.cfe.edu.uy/handle/123456789/1733 | |
| Acceso abierto | |
| cc by-nc-nd 4.0 |
| _version_ | 1815416033011302400 |
|---|---|
| author | Suárez, Álvaro |
| author2 | Monteiro, Martín Dutra, Mateo Martí, Arturo C |
| author2_role | author author author |
| author_facet | Suárez, Álvaro Monteiro, Martín Dutra, Mateo Martí, Arturo C |
| author_role | author |
| bitstream.checksum.fl_str_mv | df766076a5772cb4184b94046e67735a 1c6ccd0ff71025bd925e3ba95736351e 87a622ab3d1b09487d910e87bbc33450 5636cb4e0ed138cffe3c4005399908bf |
| bitstream.checksumAlgorithm.fl_str_mv | MD5 MD5 MD5 MD5 |
| bitstream.url.fl_str_mv | http://repositorio.cfe.edu.uy/bitstream/123456789/1733/1/license.txt http://repositorio.cfe.edu.uy/bitstream/123456789/1733/2/Suarez%2c%20A.%2c%20How.pdf http://repositorio.cfe.edu.uy/bitstream/123456789/1733/3/Suarez%2c%20A.%2c%20How.pdf.txt http://repositorio.cfe.edu.uy/bitstream/123456789/1733/4/Suarez%2c%20A.%2c%20How.pdf.jpg |
| collection | RIdAA-CFE |
| dc.creator.filiacion.ES.fl_str_mv | ANEP CFE Universidad ORT Uruguay UdelaR UdelaR |
| dc.creator.none.fl_str_mv | Suárez, Álvaro Monteiro, Martín Dutra, Mateo Martí, Arturo C |
| dc.date.accessioned.none.fl_str_mv | 2022-03-21T13:53:08Z |
| dc.date.available.none.fl_str_mv | 2022-03-21T13:53:08Z |
| dc.date.issued.none.fl_str_mv | 2021-06-07 |
| dc.date.submitted.none.fl_str_mv | 2022-03-21 |
| dc.description.abstract.none.fl_txt_mv | The estimation of the electric field in simple situations provides an opportunity to develop intuition about the models used in physics. We propose an activity aimed at university students where the electric field of a finite line of charge is compared, analytically or numerically, with the fields of an infinite line and of a point charge. Contrary to intuition, it is not necessary to get very close for the line charge to be considered infinite, nor to move very far away for the finite line field to resemble that of a point charge. We conducted this activity with a group of students and found that many of them have not yet developed an adequate intuition about the approximations used in electromagnetism. |
| dc.format.ES.fl_str_mv | pdf |
| dc.format.extent.ES.fl_str_mv | 4 p. |
| dc.identifier.other.none.fl_str_mv | doi.org/10.1088/1361-6552/ac0505 |
| dc.identifier.uri.none.fl_str_mv | http://repositorio.cfe.edu.uy/handle/123456789/1733 |
| dc.language.iso.none.fl_str_mv | eng |
| dc.publisher.ES.fl_str_mv | IOP Publishing |
| dc.relation.ispartof.ES.fl_str_mv | Physics Education |
| dc.rights.ES.fl_str_mv | openAccess |
| dc.rights.license.none.fl_str_mv | cc by-nc-nd 4.0 |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.ES.fl_str_mv | Physics Education, Volume 56, Number 5 (2021) |
| dc.source.none.fl_str_mv | reponame:RIdAA-CFE instname:ANEP. Consejo de Formación en Educación instacron:ANEP. Consejo de Formación en Educación |
| dc.subject.ES.fl_str_mv | física Enseñanza de la física |
| dc.title.none.fl_str_mv | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| dc.type.ES.fl_str_mv | info:eu-repo/semantics/article |
| dc.type.version.ES.fl_str_mv | published |
| dc.type.version.none.fl_str_mv | info:eu-repo/semantics/publishedVersion |
| description | The estimation of the electric field in simple situations provides an opportunity to develop intuition about the models used in physics. We propose an activity aimed at university students where the electric field of a finite line of charge is compared, analytically or numerically, with the fields of an infinite line and of a point charge. Contrary to intuition, it is not necessary to get very close for the line charge to be considered infinite, nor to move very far away for the finite line field to resemble that of a point charge. We conducted this activity with a group of students and found that many of them have not yet developed an adequate intuition about the approximations used in electromagnetism. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | CFE_aa6d678711df61b5556f565b00183fa1 |
| identifier_str_mv | doi.org/10.1088/1361-6552/ac0505 |
| instacron_str | ANEP. Consejo de Formación en Educación |
| institution | ANEP. Consejo de Formación en Educación |
| instname_str | ANEP. Consejo de Formación en Educación |
| language | eng |
| network_acronym_str | CFE |
| network_name_str | RIdAA-CFE |
| oai_identifier_str | oai:repositorio.cfe.edu.uy:123456789/1733 |
| publishDate | 2021 |
| reponame_str | RIdAA-CFE |
| repository.mail.fl_str_mv | mariavaleriapaulo@gmail.com |
| repository.name.fl_str_mv | RIdAA-CFE - ANEP. Consejo de Formación en Educación |
| repository_id_str | 10159 |
| rights_invalid_str_mv | cc by-nc-nd 4.0 openAccess |
| spelling | cc by-nc-nd 4.0openAccessinfo:eu-repo/semantics/openAccessSuárez, ÁlvaroMonteiro, MartínDutra, MateoMartí, Arturo CANEP CFEUniversidad ORT UruguayUdelaRUdelaR2022-03-21T13:53:08Z2022-03-21T13:53:08Z2021-06-072022-03-21doi.org/10.1088/1361-6552/ac0505http://repositorio.cfe.edu.uy/handle/123456789/1733The estimation of the electric field in simple situations provides an opportunity to develop intuition about the models used in physics. We propose an activity aimed at university students where the electric field of a finite line of charge is compared, analytically or numerically, with the fields of an infinite line and of a point charge. Contrary to intuition, it is not necessary to get very close for the line charge to be considered infinite, nor to move very far away for the finite line field to resemble that of a point charge. We conducted this activity with a group of students and found that many of them have not yet developed an adequate intuition about the approximations used in electromagnetism.pdf4 p.engIOP PublishingPhysics EducationPhysics Education, Volume 56, Number 5 (2021)reponame:RIdAA-CFEinstname:ANEP. Consejo de Formación en Educacióninstacron:ANEP. Consejo de Formación en EducaciónfísicaEnseñanza de la físicaHow far away is infinity? An electromagnetics exercise to develop intuition regarding modelsinfo:eu-repo/semantics/articlepublishedinfo:eu-repo/semantics/publishedVersionLICENSElicense.txtlicense.txttext/plain; charset=utf-86084http://repositorio.cfe.edu.uy/bitstream/123456789/1733/1/license.txtdf766076a5772cb4184b94046e67735aMD51ORIGINALSuarez, A., How.pdfSuarez, A., How.pdfapplication/pdf248298http://repositorio.cfe.edu.uy/bitstream/123456789/1733/2/Suarez%2c%20A.%2c%20How.pdf1c6ccd0ff71025bd925e3ba95736351eMD52TEXTSuarez, A., How.pdf.txtSuarez, A., How.pdf.txtExtracted texttext/plain8794http://repositorio.cfe.edu.uy/bitstream/123456789/1733/3/Suarez%2c%20A.%2c%20How.pdf.txt87a622ab3d1b09487d910e87bbc33450MD53THUMBNAILSuarez, A., How.pdf.jpgSuarez, A., How.pdf.jpgGenerated Thumbnailimage/jpeg1652http://repositorio.cfe.edu.uy/bitstream/123456789/1733/4/Suarez%2c%20A.%2c%20How.pdf.jpg5636cb4e0ed138cffe3c4005399908bfMD54123456789/17332022-03-22 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| spellingShingle | How far away is infinity? An electromagnetics exercise to develop intuition regarding models Suárez, Álvaro física Enseñanza de la física |
| status_str | publishedVersion |
| title | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| title_full | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| title_fullStr | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| title_full_unstemmed | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| title_short | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| title_sort | How far away is infinity? An electromagnetics exercise to develop intuition regarding models |
| topic | física Enseñanza de la física |
| url | http://repositorio.cfe.edu.uy/handle/123456789/1733 |
