The misconceptions about the calculation of light bulb resistance in specialized school

G. Movsum Oghlu Sharifov

Abstract


The paper deals with the study of the resistance of incandescent light bulbs. It has been established that the temperature dependence of resistance for these types of lamps always manifests itself in school experiments. Therefore, students in specialized school should be taught a systematic comparison of resistance in resistors and lamps in circuits in term of didactic principles and be given a detailed explanation of the different factors that occurred in lamp circuits and were mistakenly understood as equipment errors.


Keywords


incandescent, light bulb, resistance, series, parallel, specialized school

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References


References

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DOI: https://doi.org/10.31349/RevMexFisE.18.90

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REVISTA MEXICANA DE FÍSICA E, year 18, issue 1, January-June 2021. Semiannual Journal published by Sociedad Mexicana de Física, A. C. Departamento de Física, 2º Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Apartado Postal 70-348. Tel. (+52)55-5622-4946, https://rmf.smf.mx/ojs/rmf-e, rmf@ciencias.unam.mx. Chief Editor: José Alejandro Ayala Mercado.  INDAUTOR Certificate of Reserve: 04-2019-080216402500-203, ISSN: 2683-2216 (on line), 1870-3542 (print), both granted by Instituto Nacional del Derecho de Autor.  Responsible for the last update of this issue, Technical Staff of Sociedad Mexicana de Física, A. C., Fís. Efraín Garrido Román, 2º. Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Date of last modification, January 04, 2021.

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