Originally posted by padova
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By size I presume that you refer to cross sectional area of the core as Turion has increased the length. Turion typically talks about the mass of the core Some folks do realize the importance of the cross sectional area. But in this case, where he is increasing the windings in the coil, a cross sectional area increase would not be needed, if it was sufficient before. The flux, and therefore flux density, is dependent on the field magnet, and that remains the same. Assuming the present operating condition is not saturated, then increase of area lowers the flux density and might lower the reluctance of the core, which would be of benefit, but so small as not to justify the added complexity (cost, time) to implement.
Good thought. Thanks for the discussion.
bi
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