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(Solved): A Toroidal Core Of Relative Permeability1000 Has A Mean Diameter Of 300 Mm And A Cross Sectional Are...
A toroidal core of relative permeability1000 has a mean diameter of 300 mm and a cross sectional area of 6 cm². The core is wound with 1000 turns. If a dc current establishes a flux in the core of 6 x 10-4 Webers, determine: (a) (i) the magnetic flux density. (ii) the inductance. (iii) (iv) the magnetic intensity (H). the stored energy. (b) If a 2 mm air gap is cut in the core, determine: (i) the reluctance of the core. (ii) the reluctance of the air gap. Fringing effects of the magnetic flux may be neglected in your calculations.
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