1. a) A magnetic circuit is formed using an iron core with relative permeability 1000 and single air gap, and has the following parameters: cross-sectional area: Ac =1.6 × 10-3 m²; mean core length lc = 0.8 m; air gap length g = 2 x 10³ m. A coil of 100 turns is wound on the iron core. i) gap Calculate the reluctance of the core Rc and that of the neglecting the effects of fringing fields at the air gap and leakage flux from the coil. RG

1. a) A magnetic circuit is formed using an iron core with relative permeability 1000 and single air gap, and has the following parameters: cross-sectional area: Ac =1.6 × 10-3 m²; mean core length lc = 0.8 m; air gap length g = 2 x 10³ m. A coil of 100 turns is wound on the iron core. i) gap Calculate the reluctance of the core Rc and that of the neglecting the effects of fringing fields at the air gap and leakage flux from the coil. RG

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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2. AC-core with a gap of 0.0001m has a coil number of 100 and a current of 10mA. First find the Reluctance of the core given that the Iron core has a negligible reluctance and only the air reluctance contributes to the majority of reluctance. The core has a cross sectional area of 2cm^2. Next find the flux flowing thru the C-core.
Consider a ferromagnetic ring (nucleus) that has a mean circumference of 40 cm, 300coiled copper turns and a sectional area of 5 cm2. A current of 2 is appliedA to winding, producing a flux of 1.5 mWb.Determine the permeability of the core material.Determine the relative permeability of the core material.If the ferromagnetic ring has an air gap of 2 mm. Find the required MMFso that the flux density in the gap is 0.5 T.
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