y taking a central flux path, estimate the inductance of the sensor shown in Figure Prob. 5
(a) for zero air gap;
(b) for a 2 mm air gap.
Assume the relative permeability of core and armature is 104 and that of air is unity.
y taking a central flux path, estimate the inductance of the sensor shown in Figure Prob. 5 (a) for zero air gap; (b) for a 2 mm air gap. Assume the relative permeability of core and armature is 104 a