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. 2021 Apr 16;21(8):2822. doi: 10.3390/s21082822

Table 1.

Coil resistance and self inductance predicted and measured at 1kHz, for the three coils of Figure 8. Sensitivity predicted by Equation (26) and signal variation experimentally measured between the three coils.

Coil a Coil b Coil c
Coil dimension Dout=3cm, Dout=3cm, Dout=2cm,
30 turns 15 turns 30 turns
Resistance (Equation (24)) Ω 30.47 18.36 16.3
Resistance meas. Ω 37 22.8 18.6
Inductance (Equation (6)) µH 304.2 133.3 111.2
Inductance meas. µH 289.4 121.2 98.2
Sensitivity (Equation (26)) VTHz 0.239 0.166 (69.4%) 0.077 (32.4%)
Sensitivity meas. % 66.4% 30.3%