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Q3. A magnetic circuit made of silicon steel is arranged as in Fig. 3. The centre limb has a cross-sectional area of 800 mm2 and each of the side limbs has a cross sectional area of 500 mm2. Calculate the m.m.f. required to produce a flux of 1mWb in the centre limb, assuming the magnetic leakage to be negligible. ANS: 1015 A 250 1 mm 340 500 mm 340 mm 150 1.2 300 mm mm mm mm mm 250 %3D mm Figure 3 Figure 4

Q3. A magnetic circuit made of silicon steel is arranged as in Fig. 3. The centre limb has a cross-sectional area of 800 mm2 and each of the side limbs has a cross sectional area of 500 mm2. Calculate the m.m.f. required to produce a flux of 1mWb in the centre limb, assuming the magnetic leakage to be negligible. ANS: 1015 A 250 1 mm 340 500 mm 340 mm 150 1.2 300 mm mm mm mm mm 250 %3D mm Figure 3 Figure 4

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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Q3. A magnetic circuit made of silicon steel is arranged as in Fig. 3. The centre limb has a cross-sectional area of 800 mm2 and each of the side limbs has a cross sectional area of 500 mm2. Calculate the m.m.f. required to produce a flux of 1mWb in the centre limb, assuming the magnetic leakage to be negligible. ANS: 1015 A 250 1 mm 500 mm 340 mm 150 340 1.2 300 ' mm mm mm mm mm 250 mm %3D Figure 3 Figure 4
Transcribed Image Text:Q3. A magnetic circuit made of silicon steel is arranged as in Fig. 3. The centre limb has a cross-sectional area of 800 mm2 and each of the side limbs has a cross sectional area of 500 mm2. Calculate the m.m.f. required to produce a flux of 1mWb in the centre limb, assuming the magnetic leakage to be negligible. ANS: 1015 A 250 1 mm 500 mm 340 mm 150 340 1.2 300 ' mm mm mm mm mm 250 mm %3D Figure 3 Figure 4
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