Table 2.

Electrical properties

Coil number	Inductance (calculated), μH	Inductance (measured), μH	Core	Resistance, Ω
A1	38.25	43	ferrite	0.057
A2	8.91	9.2	wood	0.065
A3	31.28	31.54	ferrite	0.047
A4	10.479	11.19	ferrite	0.028
A5	52.41	54.21	ferrite	0.071