Week5 (dragged) 69 - conduct electric currents is called...

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September 07, 2010 University Physics, Chapter 25 28 Resistance and Resistivity ! Some materials conduct electricity better than others ! If we apply a given voltage across a conductor , we get a large current ! If we apply the same voltage across an insulator, we get very little current (ideal: none) ! The property of a material that describes its ability to
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Unformatted text preview: conduct electric currents is called the resistivity, $ ! The property of a particular device or object that describes its ability to conduct electric currents is called the resistance, R ! Resistivity is a property of the material; resistance is a property of a particular object made from that material Thursday, September 23, 2010...
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This note was uploaded on 12/01/2011 for the course PHYS 241 taught by Professor Wei during the Fall '08 term at Purdue University-West Lafayette.

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