Mechanical model for the electro-conductivity in metals: temperature effects

Vanderlei S. Bagnato, Vinicius Picanco Rodrigues

Research output: Contribution to journalJournal articleResearchpeer-review


Using a mechanical analog of a solid we have demonstrated the Ohm’s law showing the proportionality be-tween the flux of current and the applied field. Introducing a vibrating motion into the device, the temperature effect was simulated showing the variation of the analog of conductivity with temperature for a normal con-ductor. The model is convenient for classroom demonstration of the Ohm’s law as well as the variation with temperature.
Original languageEnglish
JournalRevista Brasileira de Ensino de Fisica
Issue number1
Pages (from-to)35-39
Publication statusPublished - 2006
Externally publishedYes


  • Conductivity
  • Mechanical model
  • Drude model


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