Magnetic field at center of circular arc (B = (μ₀I/4πR)θ, θ in rad)
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B = (μ₀I/4πR)θ, θ in rad
What each symbol means
| Symbol | What it stands for |
|---|---|
| θ | Subtended angle at center in radians |
When to use this
Uniform current along arc of radius R; field evaluated at arc's center of curvature.