An iron ring has a tightly wound coil with 1500 turns. The inner and outer radii of the iron core are 10 cm and 12 cm respectively. A radial airgap of length 1 cm is cut in the iron ring. If the current in the coil is 4 A and the relative permeability of the iron is 1200, determine the following: i. The cross-sectional area of the iron core ii. The flux density in the magnetic circuit.

An iron ring has a tightly wound coil with 1500 turns. The inner and outer radii of the iron core are 10 cm and 12 cm respectively. A radial airgap of length 1 cm is cut in the iron ring. If the current in the coil is 4 A and the relative permeability of the iron is 1200, determine the following: i. The cross-sectional area of the iron core ii. The flux density in the magnetic circuit.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...

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