Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Chapter 5.5, Problem 14CQ
To determine
The description of a magnetization curve, and the difference between the magnetization curves of hard and soft ferromagnetic materials.
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Chapter 5 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
Ch. 5.1 - What are the major differences between the...Ch. 5.1 - Prob. 2CQCh. 5.1 - How is the direction of the magnetic moment of a...Ch. 5.1 - If one of two wires of equal length is formed into...Ch. 5.1 - An electron moving in the positive x direction...Ch. 5.1 - A proton moving with a speed of 2 106 m/s through...Ch. 5.1 - A charged particle with velocity u is moving in a...Ch. 5.1 - A horizontal wire with a mass per unit length of...Ch. 5.1 - A square coil of 100 turns and 0.5 m long sides is...Ch. 5.2 - Two infinitely long parallel wires carry currents...
Ch. 5.2 - Devise a right-hand rule for the direction of the...Ch. 5.2 - What is a magnetic dipole? Describe its magnetic...Ch. 5.2 - Prob. 6ECh. 5.2 - A wire carrying a current of 4 A is formed into a...Ch. 5.2 - Prob. 8ECh. 5.3 - What are the fundamental differences between...Ch. 5.3 - Prob. 9CQCh. 5.3 - Compare the utility of applying the BiotSavart law...Ch. 5.3 - Prob. 11CQCh. 5.3 - A current I flows in the inner conductor of a long...Ch. 5.3 - The metal niobium becomes a superconductor with...Ch. 5.5 - What are the three types of magnetic materials and...Ch. 5.5 - What causes magnetic hysteresis in ferromagnetic...Ch. 5.5 - Prob. 14CQCh. 5.5 - The magnetic vector M is the vector sum of the...Ch. 5.6 - With reference to Fig. 5-24, determine the single...Ch. 5.7 - Prob. 15CQCh. 5.7 - What is the difference between self-inductance and...Ch. 5.7 - Prob. 17CQCh. 5.7 - Use Eq. (5.89) to obtain an expression for B at a...Ch. 5 - An electron with a speed of 8 106 m/s is...Ch. 5 - When a particle with charge q and mass m is...Ch. 5 - The circuit shown in Fig. P5.3 uses two identical...Ch. 5 - The rectangular loop shown in Fig. P5.4 consists...Ch. 5 - In a cylindrical coordinate system, a 2 m long...Ch. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - The loop shown in Fig. P5.9 consists of radial...Ch. 5 - An infinitely long, thin conducting sheet defined...Ch. 5 - An infinitely long wire carrying a 25 A current in...Ch. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - A circular loop of radius a carrying current I1 is...Ch. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Three long, parallel wires are arranged as shown...Ch. 5 - A square loop placed as shown in Fig. P5.20 has 2...Ch. 5 - Prob. 21PCh. 5 - Prob. 22PCh. 5 - Repeat Problem 5.22 for a current density J=zJ0er.Ch. 5 - In a certain conducting region, the magnetic field...Ch. 5 - Prob. 25PCh. 5 - Prob. 26PCh. 5 - Prob. 27PCh. 5 - A uniform current density given by J=zj0 (A/m2)...Ch. 5 - A thin current element extending between z = L/2...Ch. 5 - In the model of the hydrogen atom proposed by Bohr...Ch. 5 - Iron contains 8.5 1028 atoms/m3. At saturation,...Ch. 5 - The xy plane separates two magnetic media with...Ch. 5 - Given that a current sheet with surface current...Ch. 5 - In Fig. P5.34, the plane defined by x y = 1...Ch. 5 - The plane boundary defined by z = 0 separates air...Ch. 5 - Prob. 36PCh. 5 - Prob. 37PCh. 5 - A solenoid with a length of 20 cm and a radius of...Ch. 5 - Prob. 39PCh. 5 - The rectangular loop shown in Fig. P5.40 is...Ch. 5 - Determine the mutual inductance between the...
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- Required mathematical expression of the relationship between magnetic flux density and magnetic field strength and Explain by drawing figures.arrow_forwardWhat is the formula for computation of saturation magnetization & magnetic susceptibility?arrow_forwardWhat is the hysteresis loop for elastic materials? Explain the concept behind it briefly.arrow_forward
- What is the fundamental cause of magnetic fields?arrow_forwardState Ampere's circuital law. Hence find the expression for the magnetic field strength ( B ) of a long current carrying solenoid.arrow_forwardWhat is/are the major difference in solving the linear and non-linear magnetostatic problems?arrow_forward
- The figure shows the hysteresis curve for a ferromagnetic material. Which option represents the magnetization state at b-c-d-e-f-g points in the correct order for this material? Please choose one: a.Permanent magnetization-Zero magnetization-Saturation point-Permanent magnetization-Zero magnetization-Saturation point b.Saturation point-Zero magnetization-Permanent magnetization-Saturation point-Zero magnetization-Permanent magnetization C.Permanent magnetization-Saturation point-Zero magnetization-Permanent magnetization-Saturation point-Zero magnetization D.Saturation point-Permanent magnetization-Zero magnetization-Saturation point-Permanent magnetization-Zero magnetizationarrow_forwardFrom a technicians standpoint, how is the stregth of an electromagnet typically varied? a) by varying the number of turns, b) by varying the current flow, C) by barying the core is permeability, d) none A bar of iron said to be saturated once most of its magnetic molecules are aligned whereby increases in magnetomotives force results in smaller and smaller increases in flux in the core. A) true, B) false which of the folloeing is?are tupe of AC genator construction. A) revolving field desing, B) stationary field desing, C) both a and b, D) nonearrow_forwardAnswer the following questions using formulas, figures, and diagrams.(a) What is coenergy in magnetic circuits?(b) How to calculate iron losses using BH curve in magnetic circuits?arrow_forward
- The saturation curve of a particular core material shows that at a magnetic field intensity of 1250 At/m and the flux density is 0.80 Tesla. Determine the relative permeability of the core material.arrow_forward. Consider two wires of length 1m carrying currents i1 = 2A and i2 = 4A with directionindicated in the following figure. So answer what is asked.(a) What is the resultant magnetic field strength at point P in the figure?(b) Determine the distance d for the current cable i1 from a point Q where the field strengthresulting magnetic field is zero.(c) What would happen to the magnetic field strength if the current i1 were 4A?arrow_forwardWhat is the total flux at surface SA? What is the total flux at surface SB? What is the total flux at surface SC? What is the total flux at surface SD? What is the total flux at surface SE? What is the magnitude of an electric field passing through surface SC? What is the magnitude of an electric field passing through surface SD?arrow_forward
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