Consider the magnetic circuit shown below. The primary coil has N1=400 turns, and the secondary coil has N2=800 turms. The total length of the core (shown in red) is 5 cm. The core has a uniform cross section 2 cm2 , magnetic permeability 900. Calculate the total inductance between terminals a and b, if the coils are connected as shown below. Assume that there is no flux leakage from the core. N1 N2

Consider the magnetic circuit shown below. The primary coil has N1=400 turns, and the secondary coil has N2=800 turms. The total length of the core (shown in red) is 5 cm. The core has a uniform cross section 2 cm2 , magnetic permeability 900. Calculate the total inductance between terminals a and b, if the coils are connected as shown below. Assume that there is no flux leakage from the core. N1 N2

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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A square magnetic core has a mean length of 43 cm and a cross-sectional area of120cm2. A coil of 200 turns of wire is wound around one of the columns of the core, thewhich is made of a material whose required magnetic field strength is H=115 Aturns/m. a) How much current is required to produce a flux of 0.012 Wb, in the core?b) What is the relative permeability of the core for that current?c) What is the reluctance?
A toroid (ring shaped) magnetic core is wounded by a coil having 250 turns. The inner (ri) and outer radii (rd) are 20cm and 25cm, respectively. The toroidal core has a circular cross section (S). For a coil current of 2.54 A, calculatea. The magnetic flux density along the mean radius of the core (l).b. Flux in the core.c. Flux linkage of the coil.d. Reluctance of the toroid core.e. Magnetic permeability of the material.f. The inductance of the coil, under the assumption that the flux density within the core is uniform and same at every point of the core.
A toroid (ring shaped) magnetic core is wounded by a coil having 250 turns. The inner (ri) and outer radii (rd) are 20cm and 25cm, respectively. The toroidal core has a circular cross section (S). For a coil current of 2.54 A, calculatea. The magnetic flux density along the mean radius of the core (l).b. Flux in the core.c. Flux linkage of the coil.d. Reluctance of the toroid core.e. Magnetic permeability of the material.f. The inductance of the coil, under the assumption that the flux density within the core is uniform and same at every point of the core.H
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