4.4 A cast steel ring having a radius of 150 mm is uniformly wound with 3000 turns of wire. When a current of 1.25 A is passed through the coil a flux density of 1.4 T is set up in the steel. 4.4.1 Calculate the magnetizing force; 4.4.2 Determine the relative permeability of the steel under these conditions. ... ......*.......

4.4 A cast steel ring having a radius of 150 mm is uniformly wound with 3000 turns of wire. When a current of 1.25 A is passed through the coil a flux density of 1.4 T is set up in the steel. 4.4.1 Calculate the magnetizing force; 4.4.2 Determine the relative permeability of the steel under these conditions. ... ......*.......

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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