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Low frequency time-varying electric and magnetic fields (Frequency: 0.25 Hz~100 kHz)
| Frequency (f) | EF* | Magnetic flux density | MF† |
|---|---|---|---|
| *EF: electric field. †MF: magnetic field. | |||
| 0.25~1.0 Hz | 50/f mT | 4.08 × 104/f Am−1 | |
| 1.0~25 Hz | 20 kVm−1 | 50/f mT | 4.08 × 104/f Am−1 |
| 25~500 Hz | 500/f kVm−1 | 50/f mT | 4.08 × 104/f Am−1 |
| 500~814 Hz | 500/f kVm−1 | 0.1 mT | 81.4 Am−1 |
| 0.814~60 kHz | 614 Vm−1 | 0.1 mT | 81.4 Am−1 |
| 60~100 kHz | 614 Vm−1 | 6/f mT | 4,880/f Am−1 |
