the National Science Foundation
This page is a simulation-based tutorial on resistance, the property of a substance that impedes the flow of electric current. It contains three interactive simulations: one allows the user to glimpse resistance at the molecular level, the second explores Ohm's Law, and the third introduces the use of color coding in composition resistors. The author uses diagrams to illustrate arrangements of resistors in series and parallel circuits, with explanations of how to calculate equivalent resistances.
This resource is part of the Molecular Expressions project at the National High Magnetic Field Laboratory at Florida State University.
This resource is part of a Physics Front Topical Unit.
Topic: Electricity and Electrical Energy Unit Title: Resistance and Ohm's Law
This page is a comprehensive tutorial on resistance, accompanied by three interactive simulations. One allows students to glimpse resistance at a molecular level; the second explores Ohm's Law; and the third introduces the use of color coding in composition resistors.
%0 Electronic Source %A Davidson, Michael %D January 28, 2003 %T Molecular Expressions: Electricity & Magnetism: Resistance %V 2013 %N 23 May 2013 %8 January 28, 2003 %9 text/html %U http://micro.magnet.fsu.edu/electromag/electricity/resistance.html
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