In Figure Q3, the laminated steel sheet has a stacking factor of 0.9. Compute the current required to establish a flux of = 1.4 × 10-3 Wb. Neglect fringing. All dimensions are shown in inches. N = 150 Cast iron Laminated sheet steel (SF = 0.9) 'ef = 2.5 'de=2" =0.2" 0.5" 0.8" Cross section = 0.5" x 0.8" (all members) = 1.4 × 10-4 Wb