[Frequencies, kHz] F1 = 25 F2 = 100 F3 = 200 [Flux density, mT] B1 = 50 B2 = 100 B3 = 200 B4 = 300 [F_25] B_50 = 1,25 B_100= 8,5 B_200= 58,3 B_300= 180 [F_100] B_50 = 9 B_100= 60 B_200= 400 B_300= 1213 [F_200] B_50 = 26,2 B_100= 174 B_200= 1152 B_300= 0 mu = 2300 Hc = 17 Br = 0,17 Bmax = 0,3 Bmmax = 0,3