A two-column air-gap magnetic core shown in the figure, the depth of the core is 5cm. The magnetization curve of the material is also shown next to it. Assume a 5% increase to the effective air gap area due to expansion of the flux lines and also assume that the effective core area (stacking factor) is 94% of the original value.
1. How much current is required to produce a flux density of 0.5 T in the air gap?
2. What are the flux densities on the four sides of the core for that current in the coil?
$Intensidad de campo magnético $ \mathrm{A} $. vuclta/m$

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A two-column air-gap magnetic core shown in the figure, the depth of the core is 5cm. The magnetization curve of the material is also shown next to it. Assume a 5% increase to the effective air gap area due to expansion of the flux lines and also assume that the effective core area (stacking factor) is 94% of the original value.

1. How much current is required to produce a flux density of 0.5 T in the air gap?

2. What are the flux densities on the four sides of the core for that current in the coil?

$Intensidad de campo magnético $ \mathrm{A} $. vuclta/m$

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