Question: The magnetic permeability of the core is infinite. For the magnetic circuit shown in the figure, the magnetic permeability of the ferromagnetic core material is

The magnetic permeability of the core is infinite. For the magnetic circuit shown in the figure, the magnetic permeability of the ferromagnetic core material is infinite and the scattering effect is neglected. N = 1000 turns, L - 1 cm, g1-2 cm. g is 1-4 cm and D = 2 cm. If i = 0.35 A current flows, find the flux density Bg2 in the g2 air gap.

g1 L Nve V EN g2 D

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