Answer:
Given in question , l = 1.0m , R = 23 ohm , ρ = 1.84×10-6Ωm
We have,
R = ρl/A
23 = 1.84×10-6 × 1/A
A = 8×10-8 m2
Q23. Calculate the area of cross-section of a wire if its length is 1.0m, its resistance is 23Ω, and the resistivity of the material of the wire is 1.84×10-6Ωm.
Q23. Calculate the area of cross-section of a wire if its length is 1.0m, its resistance is 23Ω, and the resistivity of the material of the wire is 1.84×10-6Ωm.