Table 2 Physical characteristics of the coils. The resistance of the coils was too low (order of milliohms) to measure accurately as measurements were dominated by contact resistance.
From: Differential activation of nerve fibers with magnetic stimulation in humans
| Coil | Turns per layer | Layers | Inner diameter (cm) | Outer diameter (cm) | Wire gauge | Inductance (μH) |
|---|---|---|---|---|---|---|
| 1 | 3 | 3 | 5.2 | 7.6 | 8 | 7.5 |
| 2 | 2 | 5 | 5.1 | 9.8 | 6 | 8.5 |
| 3 | 5 | 5 | 5.1 | 10.2 | 8 | 41 |