National Science Foundation
Excellence Center of Science and Mathematics Education at King Saud University
Resistance in a Wire
Learn about the physics of resistance in a wire. Change its resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.
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Topics
Main Topics
- Resistivity
- Resistance
Related Topics
Sample Learning Goals
- As you change either the resistivity
- length
- or area of the resistor
- the resistance changes. Will increasing or decreasing each of these three values make the resistance correspondingly increase or decrease? Why?
Teaching Ideas
Tips for Teachers
There is no teacher's guide for this simulation.
Ideas and Activities for this Sim
There are 5 contributions listed.
 Title | Author | Level | Type | Updated |
| Batteries, Resistance and Current | E. Haynes | HS | Lab | 3/08 |
| Resistance and Ohm's Law Investigation | N. Spletzer | HS | Lab | 4/08 |
| Resistance in a Wire | G. Swanson | HS | Lab | 9/07 |
| Visualizing Current, Voltage and Resistance | S. Graham | HS | Lab | 5/07 |
| Wire Resistance and Ohm's Law PhET Lab | C. Bires | HS | Lab | 1/09 |
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Software Requirements
| Windows Systems | Macintosh Systems | Linux Systems |
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Microsoft Windows XP/Vista/7 Macromedia Flash 8 or later Microsoft Internet Explorer 6 or later, or Firefox 2 or later |
OS 10.4.11 or later Macromedia Flash 8 or later Safari 2 or later, or Firefox 2 or later |
Macromedia Flash 8 or later Firefox 2 or later |
Translated Versions
Credits
| Design Team | Third-party Libraries | Thanks To |
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