Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem 4.21P
To determine
The voltage of the conductive rod at its end.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A ring of ferromagnetic material has a rectangular section. The inner diameter is 15 cm.The outer diameter is 24 cm. And the thickness is 5 cm. There is a coil of 500 turns wound onthe ring. When the coil has a current of 10 A, the flux in the core is 0.0007 Wb. Theaverage length of the ring is Ln=0.66m Determine:a) The magnetomotive force.b) The intensity of the magnetic field and the flux density.c) Reluctance, permeability and relative permeability.
A coil consists of 100 turns of wire in shape of circle placed in the y-z plane. The loop has an area of 1m²
Two magnetic fields linking the surface of the loop:
The first one is given by: B1 = -10zt?
The second one is B2 = 20ãsin(2w)t
emf
Select one:
a. vm
= 0
emf
O b.
emf
2000t
%3D
O c. m
emf
--4000.w.cos(2w)t
O d. vm
2000t – 4000.w.cos(2w)t
emf
A ten-turn solenoid has a ferromagnetic core with a relative permeability of 10,000. The length of the solenoid is l=10 cm and its cross section area is A=1 cm2. The amount of current driving the solenoid is 0.1 A. Determine the magnetic flux intensity H in the core. Provide your answer in A/m. Round off to your answer to one decimal.
Chapter 4 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 4 - How long does it take for charge density to drop...Ch. 4 - At a particular point in a slab of silver, a...Ch. 4 - A current density is given by J=e.01taA/m2. Find...Ch. 4 - At t=0s, 60.0C is evenly distributed throughout a...Ch. 4 - A propagating electric field is given by...Ch. 4 - A 10.0-MHz magnetic field travels in a fluid for...Ch. 4 - Modify the simple wave program in MATLAB 4.1 to...Ch. 4 - Modify the traveling wave program in MATLAB 4.2 to...Ch. 4 - Prob. 4.9PCh. 4 - A bar magnet is dropped through a conductive ring....
Ch. 4 - Considering Figure 4.7, suppose the area of a...Ch. 4 - Sometimes a transformer is used as an impedance...Ch. 4 - Prob. 4.13PCh. 4 - The mean length around a nickel core of a...Ch. 4 - A triangular wire loop has its vertices at the...Ch. 4 - Referring to Figure 4.23, suppose a conductive bar...Ch. 4 - Suppose we have a conductive bar moving along a...Ch. 4 - The radius r of a perfectly conducting metal loop...Ch. 4 - Rederive Vemf for the rectangular loop of Figure...Ch. 4 - In Figure 4.16, replace the rectangular loop with...Ch. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - A Faraday disk generator is similar to the...Ch. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Suppose a vector field is given by A=2cosaz Verify...Ch. 4 - A pair of 60cm2 area plates are separated by a...Ch. 4 - Plot the loss tangent of seawater ( =4S/m and r=81...Ch. 4 - A 1.0-m-long coaxial cable of inner conductor...Ch. 4 - Suppose in free space that E(z,t)=5.0e2ztaxV/m. Is...Ch. 4 - An electric field propagating in a lossless...Ch. 4 - A magnetic field propagating in free space is...Ch. 4 - Find the instantaneous expression for E for the...Ch. 4 - Given, at some point distant from a source at the...Ch. 4 - In a lossless, nonmagnetic media, the magnetic...Ch. 4 - Suppose, in a nonmagnetic medium of relative...Ch. 4 - Prob. 4.37PCh. 4 - Prob. 4.38PCh. 4 - Prob. 4.39PCh. 4 - Find E(z,t) in Problem 4.32 using phasors.Ch. 4 - Prob. 4.41PCh. 4 - Find H(y,t) in Problem 4.36 using phasors.Ch. 4 - In MATLAB 4.4, a polar plot of the phasor...
Knowledge Booster
Similar questions
- A current path of the shape shown in the figure produces a magnetic field at P, the center of the arc. If the arc subtends an angle of 30 ° and the radius of the arc is 0.600 m, what are the magnitude and direction of the field produced at P if the currents are 3A?arrow_forwardThree long, parallel, straight wires each carrying a 5.0 A current pass through the vertices of an equilateral triangle (L= 5.0 cm) as shown in the figure below. Currents on wires B and C are out of page while that of wire A is into the page. What is the x and y components of the magnetic field vector at the point of the wire A? Give your answer in µT. B Her birinden 5,0 A akım geçen üç uzun ve birbirine paralel düz tel bir kenarı L=5,0 cm olan bir eşkenar üçgenin köşelerinden geçmektedirler. B ve C tellerinden geçen akım sayfa düzleminden bize doğru, A telinden geçen akım sayfa düzleminden içeri doğrudur. A telinin üstünde manyetik alanın x ve y bileşenleri µT cinsinden nedir? Larrow_forwardWhich of the following configurations can be used to apply Ampere's circuital law ? f the length of a solenoid is doubled but the number of turns is halved, the magnetic field inside will Ɔ cut by 1/2 Ɔ cut by 1/4 Ɔ Quadrable Ɔ Double A B None of the above C D ... ... O Only A Only A & B & C .... .... ... . Only D O All of them None of the abovearrow_forward
- Problem 4 The magnetic circuit shown in the figure has two windings and two air gaps. The core can be be of infinite 8: |- Core, u o0 Arca A2 assumed to permeability. dimensions are indicated in the The core Area A N turns figure. inductances of windings 1 and 2 Find the self- 81 Na turas and the mutual inductance between the windings.arrow_forwardThree long, parallel, straight wires each carrying a 8.0 A current pass through the vertices of an equilateral triangle (L = 8.0 cm) as shown in the figure below. Currents on wires B and C are out of page while that of wire A is into the page. What is the x and y components of the magnetic field vector at the point of the wire B? Give your answer in uT. B Her birinden 8,0 A akım geçen üç uzun ve birbirine paralel düz tel bir kenarı L-8,0 cm olan bir eşkenar üçgenin köşelerinden geçmektedirler. B ve C tellerinden geçen akım sayfa düzleminden bize doğru, A telinden geçen akım sayfa düzleminden içeri doğrudur. B telinin üstünde manyetik alanın x ve y bileşenleri µT cinsinden nedir? Yanıtınızarrow_forwardThe circuit in the figure below is located in a magnetic field whose magnitude varies with time according to the expression B = 1.00 x 103 t, where B is in teslas and t is in seconds. Assume the resistance per length of the wire is 0.092 N/m. Find the current in section PQ of length a = 64.0 cm. magnitude HA direction -Select--- P * x x x x x x x * xx x a 2a aarrow_forward
- A wire is bent in the following shape and carries a current of 10 A in the direction shown. Find the components and the magnitude of the magnetic field at point “P". 1 m 0.5 m 0.5 m 1 m 1 marrow_forward7) A square magnetic core has a mean path length of 55 cm and a cross- sectional area of 150 cm². A 200-turn coil of wire carrying a current of 0.316 A is wrapped around one leg of the core. What is the magnetomotive force created by the system?arrow_forwardA magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4TTX10-7 H/m. Find the reluctance of the left leg and the top side of the core. Ignore the gap in your calculations. 10 cm 0.1 cm gap 20 cm 5 cm 5 cm 40 cm 5 cm core depth = 10 cm Select one: O a. Rieft = 1251 A.t./Wb , Rtop = 1023 A.t/Wb O b. None O c. Rieft = 12.51 KA.t./Wb , Reop = 10.23 KA.t/Wb O d. Rieft = 125.1 A.t./Wb , Rtop = 102.3 A.t/Wbarrow_forward
- Question Three: Magnetic Force between wires. Three long parallel wires are 5 cm from one another. (Looking along them, they are at three corners of an equilateral triangle.) The current in each wire is 10.00 A, but its direction in wire M is opposite to that in wires N and P. Determine the magnetic force per unit length on each wire due to the other two. M sem 5cmarrow_forwardA magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4x10-7 H/m. Find the reluctance of the left leg and the top side of the core. 5 cm gap 0.15 cm Select one: a. 40 cm N core depth = 10 cm O b. Rleft = 13.642 C. None 5 cm 1 5 cm 20 cm 15 cm Rleft = 1364.2 A.t./Wb, Rtop = 2045.5 A.t/Wb KA.t./Wb, Rtop = 20.455 KA.t/Wb d. Rleft = 20.455 KA.t./Wb, Rtop = 13.642 KA.t/Wb Oe. Rleft = 1.36 KA.t./Wb, Rtop = 2.05 KA.t/Wbarrow_forwardA solenoid 126 cm long is formed from 1870 windings carrying a current of 6.36 A. The core of the solenoid is filled with iron, and the effective permeability constant is 968. The diameter of the solenoid is 4.45 cm. What is the magnetic field energy density in the solenoid in kJ/m3?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,