🧲ap physics 2 review

Ohm-meter (Ω•m)

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

An ohm-meter is the unit used to measure resistivity. It represents the resistance between opposite faces of a one-meter-long conductor with a one-square-meter cross-sectional area.

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