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
Concept explainers
Videos
Textbook Question
thumb_up100%
Chapter 2, Problem 2.56P
A nickel wire of diameter 5.0 mm is surrounded by a 0.50–mm–thick layer of silver. What is the resistance per unit length for this wire? Assuming 1.0 m of this wire caries 1.0 A of current, determine the power dissipated in the nickel portion and in the silver portion of the wire.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2. When a current of 1A flows through a wire, the drift velocity of the
electrons is 0.9 mm/s. What will be the drift velocity of the electrons when
a 2A current flows through another wire of the same material having
double the length and double the area of cross section and same
temperature.
A piece of silver wire has a resistance of 1 ohm. Determine the resistance of alead wire one-third the length and one-third the diameter if the resistivity of lead wire is 30 times that of silver.
NOTE: Please explain where did you get the variables so I can understand them. Thank you
A wire of 59 in length and 4 mm2 has a resistance of 0.94 ohms. A 110-m length of wire of the same material has a resistance of 3 at the same temperature. Find the radius of this wire. The final unit must be in millimeter, mm.
Chapter 2 Solutions
Fundamentals of Electromagnetics with Engineering Applications
Ch. 2 - Given P(4, 2, 1) and APQ=2ax+4ay+6az, find the...Ch. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Suppose Q1(0.0,-3.0m,0.0)=4.0nC,...Ch. 2 - Prob. 2.5PCh. 2 - Suppose 10.0nC point charges are located on the...Ch. 2 - Four 1.00nC point charges are located at...Ch. 2 - A 20.0nC point charge exists at...Ch. 2 - Prob. 2.9PCh. 2 - Convert the following points from Cartesian to...
Ch. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - A 20.0–cm–long section of copper pipe has a...Ch. 2 - A line charge with charge density 2.00nC/m exists...Ch. 2 - You are given two z–directed line charges of...Ch. 2 - Suppose you have a segment of line charge of...Ch. 2 - A segment of line charge L=10.nC/m exists on the...Ch. 2 - In free space, there is a point charge Q=8.0nC at...Ch. 2 - Prob. 2.20PCh. 2 - Sketch the following surfaces and find the total...Ch. 2 - Consider a circular disk in the x–y plane of...Ch. 2 - Suppose a ribbon of charge with density S exists...Ch. 2 - Sketch the following volumes and find the total...Ch. 2 - You have a cylinder of 4.00–in diameter and...Ch. 2 - Consider a rectangular volume with...Ch. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Given D=2a+sinazC/m2, find the electric flux...Ch. 2 - Suppose the electric flux density is given by...Ch. 2 - Prob. 2.31PCh. 2 - A cylindrical pipe with a 1.00–cm wall thickness...Ch. 2 - Prob. 2.34PCh. 2 - Prob. 2.35PCh. 2 - A thick–walled spherical shell, with inner...Ch. 2 - Prob. 2.37PCh. 2 - Determine the charge density at the point...Ch. 2 - Given D=3ax+2xyay+8x2y3azC/m2, (a) determine the...Ch. 2 - Suppose D=6cosaC/m2. (a) Determine the charge...Ch. 2 - Suppose D=r2sinar+sincosaC/m2. (a) Determine the...Ch. 2 - Prob. 2.42PCh. 2 - A surface is defined by the function 2x+4y21nz=12....Ch. 2 - For the following potential distributions, use the...Ch. 2 - A 100nC point charge is located at the origin. (a)...Ch. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Suppose a 6.0–m–diameter ring with charge...Ch. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - The typical length of each piece of jumper wire on...Ch. 2 - A 150–m length of AWG–22 (0.644 mm diameter)...Ch. 2 - Determine an expression for the power dissipated...Ch. 2 - Find the resistance per unit length of a stainless...Ch. 2 - A nickel wire of diameter 5.0 mm is surrounded by...Ch. 2 - Prob. 2.57PCh. 2 - A 20nC point charge at the origin is embedded in...Ch. 2 - Suppose the force is very carefully measured...Ch. 2 - The potential field in a material with r=10.2 is...Ch. 2 - In a mineral oil dielectric, with breakdown...Ch. 2 - Prob. 2.62PCh. 2 - For z0,r1=9.0 and for z0,r2=4.0. If E1 makes a 300...Ch. 2 - Prob. 2.64PCh. 2 - Consider a dielectric–dielectric charge–free...Ch. 2 - A 1.0–cm–diameter conductor is sheathed with a...Ch. 2 - Prob. 2.67PCh. 2 - For a coaxial cable of inner conductor radius a...Ch. 2 - Prob. 2.69PCh. 2 - Prob. 2.70PCh. 2 - A parallel–plate capacitor with a 1.0m2 surface...Ch. 2 - Prob. 2.72PCh. 2 - Prob. 2.73PCh. 2 - Given E=5xyax+3zaZV/m, find the electrostatic...Ch. 2 - Suppose a coaxial capacitor with inner radius 1.0...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
Write a Java statement or a set of Java statements to accomplish each of the following tasks: Print the integer...
Java How to Program, Early Objects (11th Edition) (Deitel: How to Program)
Indexing can clearly be very beneficial. Why should you not create an index for every column of every table of ...
Modern Database Management
15. The density of gasoline is 0.72 grams per cubic centimeter [g/cm3]. What is the mass in units of kilograms ...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Show a snippet of PHP code for creating a recordset. Explain the meaning of the code.
Database Concepts (8th Edition)
If a method in a subclass has the same name as a method in the superclass, but uses a different parameter list,...
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
In Python, you cannot write functions that accept multiple arguments
Starting Out with Python (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- How many valence electrons are generally contained in materials used for conductors?arrow_forwardA wire has a circular cross-section of radius r= 3.53 mm. The conductivity of the wire is 1x10^5 (Ohm, meter) and its lengthis 2m. The total resistance of the wire in Ohms is:O a. 0.51O b. 0.72ç. 0.26O d. 5136.07O e. 797497.60arrow_forwardPlease ?....hyarrow_forward
- Question 3 a. Some materials exhibit the property of superconductivity under certain conditions. State what is meant by superconductivity and explain the required conditions for the material to become superconducting. b. The diagram below shows the cross-section of a cable consisting of parallel filaments that can be made superconducting, embedded in a cylinder of copper. copper cylinder filament The cross-sectional area of the copper in the cable is 2.28 x 10-7 m². The resistance of the copper in a 1.0 m length of the cable is 0.075 N. Calculate the resistivity of the copper, stating an appropriate unit. State and explain the what happen to the resistance of the cable when the embedded filaments of wire are made superconductive? i.arrow_forwardProblem A potentiometer is an instrument for measuring an unknown voltage in comparison to a standard voltage. In the potentiometer shown in Figure 1.0 a 16.0-m stretch of wire AB is connected to a 9.00-V battery. The resistance per unit length of the wire is 16.0 0/mm. The movable contact P is at point B. An ammeter (circle with A inside) is connected to point A. 16.0 m A B www Figure: 1.0 A V = 9.00 Varrow_forwardAnswers the problem write the solutionarrow_forward
- Discuss the variation of resistivity with temperature for insulators, semiconductors and conductors. Support your discussion with resistivity versus temperature graph/curvesarrow_forwardNeglecting losses and fringing effects and assuming the substrate of a stripline to have a thickness of 0.42 (mm) and a dielectric constant of 2.83, determine the required width (in mm) of the metal strip in order for the stripline to have characteristics resistance of 78 Ohms. No need for a solution. Just write your numeric answer in the space provided. Round off your answer to 2 decimal places.arrow_forwardAn annealed copper wire of unknown length has a diameter of .367 cm. and a p resistance of .222 ohm. By several successive passes through drawing dies the radius of the wire is reduced to .09 CM. Assuming its resistivity has increased by 14.1 % in the drawing process, calculate the resistance of the reduced size wire.arrow_forward
- 6. You take a copper wire as shown in the figure, where the cross-section area A doubles between parts 1 and 2 of same length, and apply a potential difference across it so that a current flows from part 1 to 2. What happens in part 2 of the wire, as compared to part 1?" r A) The electron current increases B) The electron density increases C) The resistance increases D) The electric field or drift speed decrease E) The electric field and drift speed decrease Earrow_forwardWhat diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire with diameter 3.26 mm. (with explanation on how it solve)arrow_forwardQuestion 11 material which have property of conductivity between conductors and insulators. Select one: O a. ob. O C. O d. O e. is an example of a Silicone Copper Platinum Silver Ironarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Conductivity and Semiconductors; Author: Professor Dave Explains;https://www.youtube.com/watch?v=5zz6LlDVRl0;License: Standard Youtube License