Question
Sat March 10, 2012 By:
 

What are factors affecting the resistance and resistivity ? Differentiate those factors

Expert Reply
Sat March 10, 2012
Resistance of a conductor depends on:
1. its length
2. its cross-sectional area
3. resistivity of its material
R=
 
Resistivity depends on the nature of the material of the conductor, It changes with temperature.
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