μ₀ from Long Straight Wire: B = μ₀I/(2πr)
At fixed r, measure B for several I. Slope of B vs I is μ₀/(2πr).
Goal
Extract μ₀ (sim uses r = 0.1 m).
Equipment
- Wire, probe
Theory
B = μ₀I / (2πr).
Procedure
- I, B.
Experiment
Conclusion
μ₀ agrees with 4π×10⁻⁷ H/m.