An iron ring has a tightly wound coil with 1500 turns. The inner and outer radii ofthe iron core are 10 cm and 12 cm respectively. A radial airgap of length 1 cm is cutin the iron ring. If the current in the coil is 4 A and the relative permeability of theiron is 1200, determine the following:i. The cross-sectional area of the iron coreii. The flux density in the magnetic circuit.

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Answered: An iron ring has a tightly wound coil…

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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An iron ring of mean length 50 cms has an air gap of 1 mm and a winding of 200 turns. If the permeability of iron is 300 when a current of 1 A flows through the coil, find the flux density.
1. A flux of 1,500,000 Maxwell links a coil having 350 turns. This flux through the coil is A of decreased to zero at a uniform rate in 0.2 secs. Determine the induced emf during the time interval.? 2. A coil of of 1000 turns wound on a torroidal magnetic core having a reluctance of 10^6 AT/Wb. When the coil current is 5A and is increasing at the rate of 200 A/s, determine energy stored in the magnetic circuit.? Assume coil resistance is zero.
Given a magnetic circuit with a current 2.6A flowing through 205 turns of wire on a core having a reluctance of 125000 At/Wb. Determine the magnetomotive force of the circuit in base units.
Using Bio-Savart's law, determine the magnetic flux density produced by a single turn ofa current carrying loop. Consider ONLY the magnetic field along the axis of the loop.Assume that the radius of the loop is 'a', the current carried by the loop is 'l'. Otherparameters retain the standard units.
A magnetic core has a mean length of 20 cm, a cross-sectional area of 4 cm2, and a relative permeability of 2000. A 500-turn coil wound on the core carries a dc current of 0.1 A. a. Determine the reluctance of the core, the flux density in the core, and the inductance. b. Compute the energy stored in the magnetic field as W= (1/2)LI2. c. Use Equation 14.41 on page 720 to compute the energy density in the core. Then, compute the energy by taking the product of energy density and volume. Compare to the value found in part (b).
Find the numerical values of the magnetic field created by the L length wire piece with constant I current flowing through it at the P points shown in the figures below (I=10A, a=20cm)
A mmf is supplied by a current of 1 A through 100 turns. The magnetic unit consists of a steel core of 800 relative permeability, length of 10 cm and cross-sectional area of 4 cm2 and an air gap of 1 cm long. What is the total reluctance of the magnetic circuit in AT/Wb?
a. If the material is the ideal material, N1I1 = 200, NIA = 100 and NIB = 150 If I am ampersand, what is the flux density in the middle of the air gap? okay? Calculate by drawing the magnetic circuit. b. If the material is not the ideal material (µr), the core material of each winding Find the inductance in terms of parameters c. What is mutual inductance between windings? D. Check the magnetic equivalent circuit of this system that there are no leakage fluxes. draw assuming. New magnetic with leakage fluxes in mind How about a circuit, draw?
To a magnetic core, with a relative permeability of 2100, a current I1 of 1 A and a current I2 of 2 A are applied, where the number of turns of the winding is 1000. The depth of the magnetic core is 20 cm. take into account that the bounded measurements are given in centimeters. The air gap shown in the figure is 0.2 cm and has an effective area equivalent to 1.1 times the cross-sectional area of the core. Determine:a) The equivalent circuit with sources and reluctance (Graph it)b) The magnetic flux of the central columnc) Magnetic induction at point Ad) Explain what would happen if the flow of current I1 is reversed
Giving information about the behavior of magnetic materials, he gives the magnetization vector of a cylinder of radius R and infinite product as ..... and k is a constant. Accordingly,connected current densities. Jb and Kb, the total current l through the cylinder system, and the B inside and outside the cylinder. (You can find mathematical expressions by looking at the image.,thanks)
Utilize magnetostatic ideas to determine the magnetic field strength of a long, straight wire carrying a current of 1 A at a distance of 5 metres. 8)Examine the boundary value conditions indicated below and formulate the equations in terms of magnetic flux density. Medium 1 AS(a,) Ah2 Ah/2 ar AS(-aN) BN2 Medium 2 AS(a,) Ah2 Ah/2 ar AS(-aN) BN2
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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