Alternative Mental Models of Second-Year Engineering Students for Coulomb’s Law and the Electric Field

Authors

  • Xavier Bohigas Departament de Física i Enginyeria Nuclear Universitat Politècnica de Catalunya
  • María Cristina Periago Departament de Física i Enginyeria Nuclear Universitat Politècnica de Catalunya

Keywords:

Mental models, alternative conceptions, engineering education.

Abstract

The objective of the present study is to identify the mental models applied by students using Coulomb's law and the electric field concept to interpret electrostatic phenomena at the beginning of a second-year engineering course. Results indicate that most students do not correctly apply the symmetry of Coulomb's law. Although they have a coherent mental model, their version is not consistent with that which is scientifically accepted, and they confuse the concept of the electric field with the force between charges.

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Published

2010-05-01