Question 7 - Past Year - 1 Mark Questions - Chapter 12 Class 10 - Electricity

Last updated at April 16, 2024 by

 

electrical-resistivity-teachoo.png

SI Unit of resistivity is ohm meter.

 

Explanation.

We know that,

R = ρ (l/A)

Therefore,

ρ = R (A/l)

= ohm × m 2 /m

= ohm × m

 

Therefore, unit of rho is ohm meter.

 

Note: Unit of R is ohm, Unit of area of cross-section is m 2 , unit of length is m

 

Go Ad-free
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo