Magnetic field on axis of circular loop (B = μ₀IR²/(2(R²+x²)^3/2))
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B = μ₀IR²/(2(R²+x²)^3/2)
What each symbol means
| Symbol | What it stands for |
|---|---|
| R | Loop radius (m) |
| x | Distance along axis from loop center (m) |
When to use this
Circular loop, axis through center ⊥ to plane; N turns multiply by N.