A coil P of 300 turns is uniformly wound on a ferromagnetic ring having a cross-sectional area of 500 mm? and a mean diameter of 400 mm. Another coil S of 30 turns wound on the ring is connected to a...

A coil P of 300 turns is uniformly wound on a ferromagnetic ring having a cross-sectional area of 500 mm? and a mean diameter of 400 mm. Another coil S of 30 turns wound on the ring is connected to a fluxmeter having a constant of 200 microweber-turns per division. When a current of 1.5 A through P is reversed, the fluxmeter deflection is 96 divisions. Calculate: (a) the flux density in the ring; and (b) the magnetic field strength.

Sep 16, 2022

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A coil P of 300 turns is uniformly wound on a ferromagnetic ring having a cross-sectional area of 500 mm? and a mean diameter of 400 mm. Another coil S of 30 turns wound on the ring is connected to a...

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