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Electricity & Magnetism · current

Resistance of a Uniform Conductor

Relates resistance to resistivity, length, and cross-sectional area.

R = ρℓ / A

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Variables

R
resistanceΩ
ρ
resistivityΩ·m
ℓ
conductor lengthm
A
cross-sectional aream²

Reference details

Subject
Electricity & Magnetism
Topic
current
Plain text
R = rho l / A

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