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 4.24P
To determine
The electromotive force
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Define function (x, y) = 2x³ — 4y² gradient at point (1,1)
1:00
-
Induced voltage acts like a resistance to hinder the flow of current through an inductor.
True or False
It is often more desieable to the conductor instead of the magnetic field.
True or False
Three point charges are located at the corners of an equilateral triangle as shown in the figure.
b. Find the net force on the 2uc charge and -4uc charge
7.00 μC
y
60°
-4.00 µC
0.50 m
+-X
2.00 μC
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
- Three 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_forward16 If permittivity E is independent of the magnitude of E, then the material is said to be because D andE are related linearly, and if it is independent of the direction of E, the material is said to be non linear, linear linear, isotropic isotropic, linear conservative, linear isotrpic, idealarrow_forwardIn the figure below, the rolling axle, 2.90 m long, is pushed along horizontal rails at a constant speed v = 12.00 m/s. A resistor R = 0.4000 N is connected to the rails at points a and b, directly opposite each other. The wheels make good electrical contact with the rails, so the axle, rails, and R form a closed-loop circuit. The only significant resistance in the circuit is R. A uniform magnetic field B = 0.0300 T is vertically downward. B b. (a) Find the induced current I in the resistor. A (b) What horizontal force F is required to keep the axle rolling at constant speed? N (c) Which end of the resistor, a or b, is at the higher electric potential? O Point a is at a higher potential. Point b is at a higher potential. O Point a and point b are at equal potentials. (d) After the axle rolls past the resistor, does the current in R reverse direction? O Yes Noarrow_forward
- Field current If can be varied by varying the resistance of field resistance which is connected in series with the field circuit. Select one: True Falsearrow_forwardQuastion 3: The electromagnet in figure consist of two different materials, sheet steel (u = 60,000) and cast iron (u 80,000). If the mean path length for the Sheet steel sheet steel is 16x102 m and 5x102 m for the cast iron, while the cross- sectional area of the core is 50x104m². Determine the current I required flow throw the 500 turns winding to establish 4 wb flux in the core. Cast ironarrow_forwardElectric fields and magnetic fields are... O parallel perpendicular not related lineararrow_forward
- A cylindrical solenoid 49 cm long with a radius of 7 mm has 325 tightly-wound turns of wire uniformly distributed along its length (see the figure). Around the middle of the solenoid is a two-turn rectangular loop 3 cm by 2 cm made of resistive wire having a resistance of 135 ohms. One microsecond after connecting the loose wire to the battery to form a series circuit with the battery and a 20 resistor, what is the magnitude of the current in the rectangular loop and its direction (clockwise or counter-clockwise in the diagram)? (The battery has an emf of 9 V.)arrow_forwardA magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4t×10-7 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. Rleft = 1251 A.t./Wb , Rtop = 1023 A.t/Wb b. Rjeft = 125.1 A.t./Wb , Rtop = 102.3 A.t/Wb O c. Rjeft = 12.51 KA.t./Wb , Rtop = 10.23 KA.t/Wb d. Nonearrow_forwardA 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. Determine the inductance L in mH. Round off to your answer to one decimal.arrow_forward
- Eddy currents can be induced only in metals that are not ferromagnetic, for example, copper and aluminium. Select one: True Falsearrow_forwardQ4 - A magnetic circuit consisting of three parts in parallel : Part A is of length 80 mm and cross-sectional area 50 mm². Part B is of length 60 mm and cross-sectional area 90 mm². Part C is of length 75 mm and cross-sectional area 60 mm². These parts are made from material having the following corresponding magnetic characteristic values respectively: H = 620 At/m and B=0.9 T, H=500 At/m and B = 0.5 T, H=800 At/m and B = 0.7 T. If an airgap of 1 mm length is made in part C, calculate the current necessary in a coil of 4000 turns wound on part A to produce an airgap flux density of 0.3 T.arrow_forwardThe Hall voltage is maximum when the magnetic field is perpendicular to plate carrying the electric current. Select one: True Falsearrow_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,