Magnetic field inside toroid (B = μ₀NI/(2πr))
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B = μ₀NI/(2πr)
What each symbol means
| Symbol | What it stands for |
|---|---|
| N | Total turns |
| r | Distance from toroid axis to field point inside core (m) |
When to use this
Inside toroidal winding; r between inner and outer radii; NI is ampere-turns enclosed.