Resistivity
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Last updated 3:37 PM on 8/18/24
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5 Terms
1
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What is resistivity and its unit
A physical property of different materials, Ohm meters
2
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What are 3 key properties of resistivity?
It’s a constant that links resistance, area and length
It varies with temperature and conductivity
It’s behaves like resistance
3
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What is the equation for resistivity?
p = RA / l
p = resistivity
R = resistance
A = cross sectional area
l = length
4
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Draw chart of decreasing resistivity
.
5
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What is the relationship between resistivity and electric conductivity?
The lower the resistivity, the better the electric conductivity
The greater the resistivity, the worse the electric conductivity
Note 
Flashcards (27)