Q

What is the SI unit of resistivity?

RRB ALP (Stage-II); RRB Group D 2025; 2022; 2022; 2022; 2018; 2018; 2018
✓ Answer: D Ohm-meter
From R = ρL/A, resistivity is ρ = RA/L, giving the SI unit Ω·m.
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