💡ap physics c: e&m review

μ_o (permeability of free space)

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

μ_o represents the permeability of free space and is a constant value used in physics equations related to magnetism. It quantifies how easily magnetic fields can pass through empty space.

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