Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Chapter 2, Problem 2.54P
Determine an expression for the power dissipated per unit length in coaxial cable of inner radius a, outer radius b, and conductivity between the conductors σ if a potential difference
, is applied.
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The diameter of cylindrical conductor A is 6mm, and its length is 2m. The diameter and length of cylindrical conductor B is 0.02. Determine resistance of conductor A, its temperature being the same as that of B.
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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...
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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
- topic: Resistance and ohms lawarrow_forward3. A two straight parallel conductors of 2 m length separated by 10 cm, each carries current of 14 A in the same direction. Find the force on each of the conductors. a. b. An idle solenoid with 100 turns and length of 40 cm has cross section of 7 cm?. Obtain: i. Inductance. ii. Energy Density when the current through the solenoid is 10 A.arrow_forwardPlease solve it quickly....arrow_forward
- The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and length of a cylindrical conductor B of the same material as A arel3 mm and 1 m. The resistance of conductor B is 0.02 Determine resistance of conductor A, its temperature being the same as that of B.arrow_forward1. Inductance. Consider the configuration of a wire with 90° bends as shown below. A small loop, with its sides of length a and width d = a/16 is placed with its plane lying along xz principal plane as shown. Stating all assumptions, determine mutual inductance between the loop and the wire. a/2 9/2 2aarrow_forwardA 5 meter long conductor with diameter of 5 mm is connected to a source and an external resistance. The temperature of the conductor changes from 25 degrees to 35 degrees. Determine the resistivities and resistances at each temperature. Thermal coefficient of the conductor is 40 x 10^-3 and the conductivity at 20 degrees Celcius is 2.5465 x 10^4 per ohm-meterarrow_forward
- The resistance of a cylindrical brass conductor, 0,5 cm diameter and 3 m long, is 0.0108 ohm. Determine resistance of a cylindrical conductor of the same material at the same temperature, and having a diameter of 0.25 cm and a length of 8 m.arrow_forwardThe resistance of a cylindrical brass conductor has a resistance of 0.00108 ohm with 0.5 cm diameter and 3 m long. Determine the resistance of a cylindrical conductor of the same material at the same temperature, and having a diameter of 0.25 cm and a length of 8 marrow_forwardTable A.3 lists a 4/0 copper conductor with 12 strands and having a diameter of 0.3373 cm.a) Find the resistivity and dc resistance at 50 degree Celcius by assuming a 2% increase due to spiralling.b) From Table A.3, determine the percent increase in resistance at 60 Hz versus dc.arrow_forward
- A single core underground cable has a conductor of radius, ½ dc and a sheath of radius, ½ ds. The potential difference between the conductor and the sheath is V. Using the information given answer the the following sub – questions: a) Derive an equation for the maximum electric field strength, E. b) Prove that ds= dce, where e = 2.72arrow_forwardThe resistance of the wire increases from 40W at 10°C to 48.25W at 60°C. Find the temperature coefficient at 0°C of the conductor material.arrow_forward2- Show that the inductance of conductor due to internal flux is given by: L= 0.00000005 H/ Marrow_forward
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