A thin ring made of a magnetic has a mean diameter d 30 cm and supports a winding of N 800 turns The cross sectional area of the ring is equal to S 5 0 cm e The ring has a cross cut of width b 2 0 ram When the winding carries a certain current, the permeability of the magnetic equals 1400 Neglecting the dissipation of magnetic flux at the gap edges, find (a) The ratio of magnetic energies in the gap and in the magnetic (b) The inductance of the system do it in two ways using the flux and using the energy of the field

Question: A thin ring made of a magnetic has a mean diameter d = 30 cm and supports a winding of N = 800 turns. The

A thin ring made of a magnetic has a mean diameter d = 30 cm and supports a winding of N = 800 turns. The cross-sectional area of the ring is equal to S = 5.0 cm e. The ring has a cross-cut of width b = 2.0 ram. When the winding carries a certain current, the permeability of the magnetic equals μ = 1400. Neglecting the dissipation of magnetic flux at the gap edges, find: (a) The ratio of magnetic energies in the gap and in the magnetic; (b) The inductance of the system; do it in two ways: using the flux and using the energy of the field

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