Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Question
Chapter 7, Problem 7.22P
To determine
(a)
Value of current density J.
To determine
(b)
The value of Hin
To determine
(c)
The value of Hout
To determine
(d)
To verify:
The result of magnetic field intensity using curl of H.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A straight wire carrying a 2.88-A current is placed in a uniform magnetic field of magnitude 0.274 T directed perpendicular to the
wire.
Find the magnitude of the magnetic force on a section of the wire having a length of 13.9 cm.
N
The magnetic field intensity in a magnetic material in the form of a circular rod with magnetic permeability n with its axis in the z direction is azH0(H0 is constant).
1)what's B and M inside the bar?
What are the equivalent magnetizing current densities jmv and jm for the magnetized rod?
A loop of wire is bent to have straight and circular arc shaped parts as shown in the figure. A constantcurrent I of 36A flows through the wire in the direction depicted in the figure. If the length R equals13 cm, determine the magnitude and the direction of the magnetic field produced by the loop of wireat point O by using Biot-Savart’s Law (µ0=≈1.26x10-6 T.m/A)
Chapter 7 Solutions
Engineering Electromagnetics
Ch. 7 - Find H in rectangular components at P(2,3,4) if...Ch. 7 - Prob. 7.2PCh. 7 - Prob. 7.3PCh. 7 - Prob. 7.4PCh. 7 - The parallel filamentary conductors shown in...Ch. 7 - A disk of radius a lies in the xy plane, with z...Ch. 7 - Prob. 7.7PCh. 7 - For the finite-length current element on the z...Ch. 7 - Prob. 7.9PCh. 7 - Prob. 7.10P
Ch. 7 - A solenoid of radius a and of length. L is...Ch. 7 - Prob. 7.12PCh. 7 - Prob. 7.13PCh. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - A current filament carrying I in the -az direction...Ch. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - A solid conductor of circular cross section with a...Ch. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - The magnetic field intensity is given in a certain...Ch. 7 - Given H=(3r2/sin)a+54rcosa A/m in free space: (a)...Ch. 7 - Prob. 7.29PCh. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - Use an expansion in rectangular coordinates to...Ch. 7 - A filamentary conductor on the z axis carries a...Ch. 7 - A current sheet K = 20 az A/m, is located at p =...Ch. 7 - Let A= (3y-z)ax+2xzayWb/m in a certain regin of...Ch. 7 - Let/N=1000, I=.08 A, p0=2 cm and a=.08 cm for the...Ch. 7 - A square filamentary differential current loop, dL...Ch. 7 - Prob. 7.39PCh. 7 - Show that the line integral of the vector...Ch. 7 - Prob. 7.41PCh. 7 - Show that 2(1/R12)=1(1/R12)=R21/R312.Ch. 7 - Compute the vector magnetic potential within the...Ch. 7 - Prob. 7.44P
Knowledge Booster
Similar questions
- A charge enters a region of uniform magnetic field directed as shown. What is true after the charge enters this region. tearrow_forwardRotating Choose... Magnetic Field Mutual Choose... inductancearrow_forwardWhen the current in a long, straight, air-filled solenoid is changing at the rate of 2000 A/s, the voltage across the solenoid is 0.600 V. The solenoid has 1200 turns and uniform cross- sectional area 25.0 mm2 . Assume that the magnetic field is uniform inside the solenoid and zero outside, so the result L =M0AN2/l applies. What is the magnitude B of the magnetic field in the interior of the solenoid when the current in the solenoid is 3.00 A?arrow_forward
- For the circuit shown in Figure:a. Determine the reluctance values and show themagnetic circuit, assuming that μ = 3,000μ0.b. Determine the inductance of the device.c. The inductance of the device can be modified bycutting an air gap in the magnetic structure. If a gapof 0.1 mm is cut in the arm of length l3, what is thenew value of inductance?d. As the gap is increased in size (length), what is thelimiting value of inductance? Neglect leakage fluxand fringing effects.arrow_forwardI 4:30 docs.google.com/forms :D 3-Problems Problem-1: 00 The conducting wire shown in the adjacent figure is formed of four parts and traversed by a steady current I. R (1) 150 R a) Determine the magnetic field B, created by the semi-infinite wire (1) at point O. b) Derive the magnetic field Bz created by the curved part (2) at its centre O. c) Derive the magnetic field By created by part (3) at the centre O. d) Deduce the magnetic field B, created by part (4) at the centre 0.arrow_forwardThe diagram below shows a rectangular loop moving to the right 6.0 cm every second. The loop has a length of 12 cm and a height of 8.o cm. The loop enters a region with a uniform magnetic field of 0.50 Tesla pointing into the plane. The length of the field region is 24 cm. (a) Draw a neat graph of the flux through the loop as a function of time. Your time axis begins when the front end of the loop is about to enter the field region and the time axis ends when the back end of the loop has exited the field region. Your graph must be quantitative with the proper numerical values along each axis. (b) Indicate the position of the loop where the flux through the loop is a maximum and determine this maximum value. (c) Indicate the position of the loop where the absolute value of the rate of change of flux is a maximum and determine this maximum value. (d) Let the resistance of the loop in milli Ohms be equal to the perimeter of the loop in centimeters. Determine the magnitude and direction of…arrow_forward
- An infinitely long wire carrying a current of 7.12 A is bent into the shape shown in the figure. The angle the arc subtends is 0 = 63° and the radius of the arc is 0.11m. Find the magnitude and direction of the magnetic field at the point P which is at the center of the arc.arrow_forwardQ.1 (a) A certain magnetic circuit consisting of three parts, A, B and C in series. Part A has a length of 200 mm and a cross-sectional area of 400 mm². Part B has a length of 300 mm and a cross-sectional area of 300 mm². Part C is an airgap 1 mm in length and of cross-sectional area 350 mm². The magnetic characteristic for parts A and B is given by: H (A/m) B (T) (b) (ii) 400 0.7 Neglecting magnetic leakage and fringing. (i) 500 0.8 630 0.9 (i) 800 1.0 Sketch the magnetic equivalent circuit for the system. Determine the m.m.f. necessary to produce a flux of 0.3 mWb in the airgap. (iii) Calculate the current required to produce the m.m.f. in Q.1(a)(ii) if N is 100. 1100 1.1 (iv) Given that the maximum flux density, Bmax for the material is 1.15 T. Estimate the flux density of magnetic material in part A and B when the current in Q.1(a)(iii) is tripled. (v) Suggest a method to avoid condition in Q.1(a)(iv). A ferromagnetic ring of cross-sectional 700 mm² and of mean radius 150 mm has…arrow_forwardA solenoid displaces a material plunger ferromagnetic at a distance of 1 cm. The inductance of the solenoid in function of the position of the plunger is given by: L(x) = 0,05 – 20000((x – xo)) H, where x ranges from 0 to 0.01 m and xo = 0.25 m Determine the direction of the force generated in the plunger (same direction of x or in the opposite direction?), the point where the force is zero (if it exists) and the maximum force generated for a current of 1 Aarrow_forward
- Lrúns along the z-axis. The magnetic field strength out- 1. A straight conducting wire with a diameter of 1 mm Electrical Engineering solve simple way!!! ide the wire is (0.02/p)a, A/m. p is the distance from che center of the wire. Of interest is the total magnetic flux within an area from p to 4 m. Most nearly, that magnetic flux is 0.5 mm to 2 cm and z= 0 (A) 9.3 x 10-8 Wb (B) 1.4 x 10 7 Wb 0it 3.7 x 10 7 Wb (D) 3.0 x 10 4 Wbarrow_forwardA coaxial cable is carrying a uniformly distributed current of 1 A in the inner conductor and -1 A in the outer conductor. The radius of the inner conductor is 6 cm and the radius of the outer conductor is 12 cm. The magnetic field intensity at the circular path of radius 7 cm is: Select one: a. 2.65 A/m O b. 1.76 A/m O c. 1.98 A/m O d. 2.27 A/m e. None of the abovearrow_forward3. An aluminum ring of 5.00 cm radius and a 3.00x10 'Q resistor are placed on top of a solenoid coil of 1000 turns per meter and 3.00 cm radius as shown above the area of the section. the end of the solenoid The magnetic field generated by the solenoid coil at the core is 0.500 T and the magnetic field outside the solenoid coil is not charged. If the current in the solenoid coil Noid increases with a rate of 270 A/s. Find a) Inductive current in the ring b) the magnitude and direction of the magnetic field created by the inductive current in the ring. Answer is [1.60 A; 20.1 µT, upward]arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:PEARSON
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Programmable Logic Controllers
Electrical Engineering
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:9780078028229
Author:Charles K Alexander, Matthew Sadiku
Publisher:McGraw-Hill Education
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:9780134746968
Author:James W. Nilsson, Susan Riedel
Publisher:PEARSON
Engineering Electromagnetics
Electrical Engineering
ISBN:9780078028151
Author:Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:Mcgraw-hill Education,