On resistivity.

Asked by  | 6th Jul, 2013, 01:14: PM

Expert Answer:

Resistivity does not depend on the length of the conductor but resistance does. 
In p=r*a/l, the resistance (r) of any object will change with the change in length even if the material remains the same. So, the resistance will change in such proportions that resistivity of the object made of same material always comes out to be same. And so, resistivity won't be dependent on the length. 

Answered by  | 7th Jul, 2013, 12:21: AM

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