Question

The reistance of e conductor of length x is r if its area of cross section a what is its resistivity​

Answer 1

Answer:

Explanation:

Resistivity of a conductor, ρ=R  

L

A

​  

 

Here, L=x,R=r and A=a

∴ρ=r  

x

a

​  

 

The unit of resistivity is ohm-metre

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