A nichrome wire of length 100 cm and are...

A nichrome wire of length 100 cm and area of cross-section `0.5 m m^(2)` has a resistance of `2.2 Omega`. The resistivity of nichrome is

`110Omega`

`0.11Omega m`

`121Omega m`

`11xx10^(-7) Omega m`

Text Solution

Verified by Experts

The correct Answer is:

`rho=(RA)/(l)=(2.2xx0.5xx10^(-6))/(1)=11xx10^(_7)Omegam`

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