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If in a conductor number density of electrons is `8.5xx10^(28)` average relaxation time 25 femtosecond mass of electron being `9.1xx10^(-31)`kg, the resistivity would be of the order.

A

`10^-7 Omegam `

B

`10^-6 Omegam`

C

`10^-8 Omegam`

D

`10^-5 Omegam`

Text Solution

Verified by Experts

`p=m/(ne^2t) =1.67 times 10^-8 Omega m`
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