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QUESTION
By taking a central flux path, estimate the inductance of the sensor shown in Figure 3 (a) for zero air gap; (b) for a 2 mm air gap.
By taking a central flux path, estimate the inductance of the sensor shown in Figure 3
(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.
