I_coil I_hall, U_hall, Force Flux Note 0.500000 5.089000 99.518000 0.003100 -4.362279 Note 1.000000 5.090000 203.254000 0.007300 -4.362279 Note 1.500000 5.092000 310.053000 0.011200 -4.362279 Note 2.000000 5.095000 418.185000 0.014000 -4.362279 Note 2.500000 5.099000 522.920000 0.015300 -4.362279 Note 3.000000 5.102000 623.361000 0.015100 -4.362279 Note 3.500000 5.107000 728.139000 0.013400 -4.362279 Note 4.000000 5.111000 812.575000 0.010800 -4.362279 Note 4.500000 5.114000 882.154000 0.007900 -4.362279 Note 5.000000 5.116000 940.746000 0.005000 -4.362279 diameter = 6.80 mm