A magnetic field of 1.30 T is to be set up in an iron-core toroid. The toroid has a mean radius of 10.0 cm and magnetic permeability of 4900 Po: What current is required if the winding has 440 turns of wire? The thickness of the iron ring is small compared to 10 cm, so the field in the material is nearly uniform.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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A magnetic field of 1.30 T is to be set up in an iron-core toroid. The toroid has a mean radius of 10.0 cm and magnetic permeability of 4900 Ho: What current is required if the winding has 440
turns of wire? The thickness of the iron ring is small compared to 10 cm, so the field in the material is nearly uniform.
mA
Transcribed Image Text:A magnetic field of 1.30 T is to be set up in an iron-core toroid. The toroid has a mean radius of 10.0 cm and magnetic permeability of 4900 Ho: What current is required if the winding has 440 turns of wire? The thickness of the iron ring is small compared to 10 cm, so the field in the material is nearly uniform. mA
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