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Consider the magnetic core shown below. The coil wound on the centre limb has 1000 turns. If the magnetic flux density in the air gap a is 0.7 T, what is the required current I for the following two cases? Ignore leakage and fringing flux. Assume that la=5 mm, ls=2.5 mm, and the iron core has a cross section of 3 cm by 3 cm. -10 cm - -10 cm - Gap a Gap b 10 cm (a) The core material has a relative permeability of 5000 (µy = 5000). (b) The normal magnetisation characteristic curve of the core material is, Н (A/m) 100 200 300 400 600 1000 1500 2500 В (Т) 0.50 0.90 1.20 1.35 1.50 1.62 1.70 1.77

Consider the magnetic core shown below. The coil wound on the centre limb has 1000 turns. If the magnetic flux density in the air gap a is 0.7 T, what is the required current I for the following two cases? Ignore leakage and fringing flux. Assume that la=5 mm, ls=2.5 mm, and the iron core has a cross section of 3 cm by 3 cm. -10 cm - -10 cm - Gap a Gap b 10 cm (a) The core material has a relative permeability of 5000 (µy = 5000). (b) The normal magnetisation characteristic curve of the core material is, Н (A/m) 100 200 300 400 600 1000 1500 2500 В (Т) 0.50 0.90 1.20 1.35 1.50 1.62 1.70 1.77

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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Consider the magnetic core shown below. The coil wound on the centre limb has 1000 turns. If the magnetic flux density in the air gap a is 0.7 T, what is the required current I for the following two cases? Ignore leakage and fringing flux. Assume that l-5 mm, l3=2.5 mm, and the iron core has a cross section of 3 cm by 3 cm. -10 cm - -10 cm- Gap a Gap b 10 cm (a) The core material has a relative permeability of 5000 (4, = 5000). (b) The normal magnetisation characteristic curve of the core material is, Η Am) В (Т) 100 200 300 400 600 1000 1500 2500 0.50 0.90 1.20 1.35 1.50 1.62 1.70 1.77
Transcribed Image Text:Consider the magnetic core shown below. The coil wound on the centre limb has 1000 turns. If the magnetic flux density in the air gap a is 0.7 T, what is the required current I for the following two cases? Ignore leakage and fringing flux. Assume that l-5 mm, l3=2.5 mm, and the iron core has a cross section of 3 cm by 3 cm. -10 cm - -10 cm- Gap a Gap b 10 cm (a) The core material has a relative permeability of 5000 (4, = 5000). (b) The normal magnetisation characteristic curve of the core material is, Η Am) В (Т) 100 200 300 400 600 1000 1500 2500 0.50 0.90 1.20 1.35 1.50 1.62 1.70 1.77
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