MHT CET Physics question

The resistance of the material of unit length and unit area of cross section is

Answer: (A)

Solution

Putting l = 1 and A = 1 in R = ρl/A gives R = ρ, i.e. the specific resistance (resistivity);

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-044912