Probing university students' understanding of electromotive force in electricity | Zendy

Isabel Garzón | Zendy; Mieke De Cock | Zendy; Kristina Zuza | Zendy; Paul van Kampen | Zendy; Jenaro Guisasola | Zendy

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Probing university students' understanding of electromotive force in electricity

Author(s) -

Isabel Garzón,

Mieke De Cock,

Kristina Zuza,

Paul van Kampen,

Jenaro Guisasola

Publication year - 2013

Publication title -

american journal of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.541

H-Index - 99

eISSN - 1943-2909

pISSN - 0002-9505

DOI - 10.1119/1.4833637

Subject(s) - electromotive force , physics , context (archaeology) , electricity , potential difference , resistive touchscreen , engineering physics , mathematics education , physics education , current (fluid) , electrical engineering , voltage , psychology , engineering , quantum mechanics , thermodynamics , paleontology , biology

The goal of this study is to identify students’ difficulties with learning the concepts of electromotive force (emf) and potential difference in the context of transitory currents and resistive direct-current circuits. To investigate these difficulties, we developed a questionnaire based on an analysis of the theoretical and epistemological framework of physics, which was then administered to first-year engineering and physics students at universities in Spain, Colombia, and Belgium. The results of the study show that student difficulties seem to be strongly linked to the absence of an\udanalysis of the energy balance within the circuit and that most university students do not clearly understand the usefulness of and the difference between the concepts of potential difference and emf

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