Question regarding the cross-sectional area

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A coil with 380 windings is wound around a cast iron ring. the cast iron ring has a mean diameter of 125mm and a cross-sectional area of 600mm squared. The magnetic field strength is 3000Am while the relative permeability of the core is 780. determine:a) the current in the coil.

Reference no: EM13870221

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Question regarding the cross-sectional area : A coil with 380 windings is wound around a cast iron ring. the cast iron ring has a mean diameter of 125mm and a cross-sectional area of 600mm squared. The magnetic field strength is 3000Am while the relative permeability of the core is 780. deter..
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