Fundamentals of Electromagnetics with Engineering Applications
5th Edition
ISBN: 9780471263555
Author: Stuart M. Wentworth
Publisher: John Wiley & Sons
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 2.61P
In a mineral oil dielectric, with breakdown voltage of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Dielectric capacitance between two surfaces depends on?
Dielectric conductivity
None of the choices
Dielectric permittivity
Both conductivity and permittivity
B) The permittivity of a solid insulator is 5.6 and loss angle is 0.5 degree. If the insulator is subjected to an alternating field of 6 MV/m, at a frequency of 60 Hz, calculate the dielectric losses.
Research and explain the following topics and cite examples oneach topics
1.) Capacitance of a Two parallel-plate capacitor with uniform dielectric medium.2.) Capacitance of an “n” parallel-plate capacitor having the same type of dielectric material and thickness of dielectric uniform dielectric medium.3.) Capacitance of an “n” parallel-plate capacitor having the different dielectric material and thickness of dielectric uniform dielectric medium.4.) Capacitance of a Two parallel-plate capacitor with a medium partly air.5.) Capacitance of a coaxial cable (Farad per meter).
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...
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
- A coaxial cable has an inside wire with a 1.2 mm radius and an outside conductor with an inside radius 1.4 mm and an outside radius of 1.7 mm. Take the insulator between the conductors to have a dielectric constant of 8.30. If it is connected across a 95 V de source then what is the energy per length (U/L) of the conductorsarrow_forwardBoundary Conditions Two homogeneous dielectric regions 1 (ρ ≤ 4 cm) and 2 (ρ ≥ 4 cm) have dielectricconstants 3.5 and 1.5, respectively. If D2 = 12aρ - 6aФ + 9az nC/m2, calculate: E1 and D1 P2 and ρpv2. The energy density for each region.arrow_forwardDetermine the maximum voltage which can be applied across the parallel plate air capacitor having plate surface area 1 cm2and capacitance 1 pF. Breakdown electric field strength for air is 30 kV/cm.What is the maximum electric energy of this capacitor?arrow_forward
- What is the capacitance C of a capacitor if the magnitude of the charge on the positive plate conductor is 2x10exp-6C and there is a 12 volt potential difference between the conductors.arrow_forwardEstimate the dielectric losses in the solid specimen subjected to an alternating field of 40KV/cm, has an absolute permittivity of 4.445 x10-11 and the loss angle of that solid dielectric material is 0.28647at Oman power frequency. And also the same specimen while subjected to 3 KV/cm DC supply with the resistance value of 10 Mega Ohm, then determine the heat generated in the specimen.arrow_forwardDetermine the transition temperature and critical field at 4.2K for a given specimen of a superconductor if the critical fields are 1.41times10^(5) and 4.205times10^(5) amp/m at 14.1K and 12.9K respectively. how you conclude that the all superconductors are diamagnetic but all diamagnetic materials are not superconductors.arrow_forward
- 4 Which term refers to the insulating material that is inserted between the plates of a capacitor? Select one: a. Dielectrics b. Resistor c. Conductor d. Insulatorarrow_forwardIn a dielectric material for which ε=2ε0 and potential distribution is given by V(x)=8x2-5x (V). What is the electric flux density D at x=2 m ? Lütfen birini seçin: a. -44 C/m2 b. -50 C/m2 c. -60 C/m2 d. -54 C/m2 e. -65 C/m2arrow_forwardAt the interface between two dielectrics we want the angle with respect to the normal of the electric field in the second dielectric to be 3 times the angle in the first which is 13.8°. Determine the relative permittivity of the second dielectric if that of the first dielectric is 4.9. ..arrow_forward
- A solid specimen of dielectric has a dielectric constant of 4.2 and tan 8 = 0.001 at a Frequency of 50 Hz. If it is subjected to an alternating field of 5 kV / mm, then the heat generated in the specimen due to dielectric loss isarrow_forwardIt is required to grade a string having seven suspension insulators. If the pin to earth capacitance are all equal to C, determine the line to pin capacitance that would give the same voltage across each insulator (C1, C2, …….C6) of the string.arrow_forwardThe resistance of copper wire with alpha = 0.00393/Co at 20oC is 129 Ω. At 78 oC, its resistance would be about ___.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningElectricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
Demos: Dielectric breakdown; Author: Caltech's Feynman Lecture Hall;https://www.youtube.com/watch?v=2YrHh1ikefI;License: Standard Youtube License