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3.21 Consider the magnetic core given in Problem 3.20 and assume that there is a small 0.06cm at point A (i.e., at midpoint of distance) shown in Figure P3.20. Assume that due to fringing, the effective cross-sectional area of the air gap has increased by 6%. Use the given information here and in Problem 3.20 and determine: (a) The total reluctance of the flux path (i.e., including the iron core and the air gap) (b) The current necessary to produce a flux density of 1 Wb/m² in the air gap gap of

3.21 Consider the magnetic core given in Problem 3.20 and assume that there is a small 0.06cm at point A (i.e., at midpoint of distance) shown in Figure P3.20. Assume that due to fringing, the effective cross-sectional area of the air gap has increased by 6%. Use the given information here and in Problem 3.20 and determine: (a) The total reluctance of the flux path (i.e., including the iron core and the air gap) (b) The current necessary to produce a flux density of 1 Wb/m² in the air gap gap of

Introductory Circuit Analysis (13th Edition)
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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10 cm 20 cm V N= 300 turns 10 cm 10 cm 5 cm 20 cm- FIGURE P3.20 Magnetic core for Problem 3.20. 3.21 Consider the magnetic core given in Problem 3.20 and assume that there is a small gap of 0.06 cm at point A (i.e., at midpoint of e, distance) shown in Figure P3.20. Assume that due to fringing, the effective cross-sectional area of the air gap has increased by 6%. Use the given information here and in Problem 3.20 and determine: (a) The total reluctance of the flux path (i.e., including the iron core and the air gap) (b) The current necessary to produce a flux density of 1 Wb/m? in the air gap
Transcribed Image Text:10 cm 20 cm V N= 300 turns 10 cm 10 cm 5 cm 20 cm- FIGURE P3.20 Magnetic core for Problem 3.20. 3.21 Consider the magnetic core given in Problem 3.20 and assume that there is a small gap of 0.06 cm at point A (i.e., at midpoint of e, distance) shown in Figure P3.20. Assume that due to fringing, the effective cross-sectional area of the air gap has increased by 6%. Use the given information here and in Problem 3.20 and determine: (a) The total reluctance of the flux path (i.e., including the iron core and the air gap) (b) The current necessary to produce a flux density of 1 Wb/m? in the air gap
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