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Static inductance and relative permeability as function of coil current. M3 Silicon steel (material #2) was modeled for the 20+20+6 experimental rat coil.
| Coil current, A | 100 | 1000 | 3000 |
| Modeled inductance, µH | 27.9 | 10.3 | 9.0 |
| Average core µ r | 99.5 | 7.6 | 2.9 |
