MHT CET Physics question

If ‘n’ is the number of free electrons in a metallic wire, then the resistance is proportional to

Answer: (B)

Solution

R = ρl/A with ρ = m/(ne²τ) so R ∝ 1/n: more free electrons mean a lower

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

Question ID VK-044914