EBK FUNDAMENTALS OF ELECTROMAGNETICS WI
1st Edition
ISBN: 9781118896402
Author: WENTWORTH
Publisher: YUZU
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 2.75P
Suppose a coaxial capacitor with inner radius 1.0 cm, outer radius 2.0 cm, and length 1.0 m is constructed with two different dielectrics. When oriented along the z–axis,
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Two parallel plates of area A=0.01 m^2 are separated by a distance d=5x10^-3 m. The region between these plates is filled with dielectric material of k= 3 and the plates are given equal but opposite charges of 2 micro coulombs. (a) What is the capacitance of this capacitor? (b) Find the potential difference between the plates?
Find the capacitance of a cylindrical capacitor with length of 45 cm, inner radius of 6 mm, and outer radius of 9 mm. The relative permittivity of the medium is 8.87
(a) A parallel plate capacitor consists of two metal sheets of copper foil, each of area 0.5 m2, separated by a 5.0 mm thick sheet of plastic having a relative permittivity of 2.26. What is the capacitance?
(b) Calculate the capacitance per meter of length of air filled coaxial line with an inner conductor of 3 mm diameter and an outer conductor of inside diameter of 6 mm.
Chapter 2 Solutions
EBK FUNDAMENTALS OF ELECTROMAGNETICS WI
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
- 27. A phasor can be represented or expressed in either rectangular form (x +j y) or polar form (z cis n) True False 28. By convention, values obtain from time domain representation are always real while in phasor domain representation, values are generally expressed in complex form. True False 31. Value of capacitance is usually affected by the following physical dimensions and construction of a capacitor: such as number of turns, its length, its cross-sectional area and the permeability of the core. True Falsearrow_forwardA parallel-plate capacitor consists of square plates of edge length ℓ that are separated by a distance d, where d << ℓ. A potential difference ΔV is maintained between the plates. A material of dielectric constant k fills half the space between the plates. The dielectric slab is withdrawn from the capacitor as shown. (a) Find the capacitance when the left edge of the dielectric is at a distance x from the center of the capacitor. (b) If the dielectric is removed at a constant speed υ, what is the current in the circuit as the dielectric is being withdrawn?arrow_forward3.(Part I) A 50 V voltage generator at 20 MHz is connected to the plates of an air dielectric parallel-plate capacitor with a plate area of 2.8 cm^2 and a separation distance of 0.2 mm. Find the maximum value of displacement current density and displacement current. (Part II) A dielectric material with permeability that of free space, permittivity = 9xpermittivity of free space, conductivity = 4 S/m, is placed between the plates of a parallel-plate capacitor. Calculate the frequency at which the conduction and displacement currents are equal.arrow_forward
- 1) Suppose the capacitor plates have a meaured diameter of (0.210+/-0.001) m and a plate separation of (0.020 +/- 0.001)m. Calculate the capacitance (including uncertainty) of the variable capacitor. 2) The separation (d) for the capacitor in Problem 1 is aried and the capacitance is meauresd for 5 separations. Thes points are recorded in the following table: Note: The Table is in the image. A) Calculate the reciprocal of the separation and prepare a new table that has the separation, reciprocal of the separation and capacitance. Do not calculate uncertainties for the reciprocal separation. B)Plot on graph paper the capacitance vs. the reciprocal separation. C) Determine the slope of this line. D) Use the diameter of the plates from Problem 1 and the slope from part C of the problem to calculate the value of esub0 from this data.arrow_forwardBetween the plates of a capacitor with an area of A = 40 cm², and distance between the plates of d = 30 cm, three dielectric materials are placed, as shown in the following figure. what is the equivalent capacitance of the capacitor with the three dielectric materials with permittivities ε1= 0.20 F / m, ε2=0.30 F / m, ε3= 0.40 F / m ? a) 3,7mF b) 6,7mF c) 9,7mF d)10mF e)none of the alternativesarrow_forwardcalculate the capacitance for a spherical capacitor composed of an internal conductor of radius ra and an external conductor of radius rb and containing a dielectric of permittivity Earrow_forward
- Two conducting spherical shells have radii a= 2 cm (inner), and b= 5 cm (external). The interior is a perfect dielectric for which εR = 10. The value of capacitance between the two plates equals toarrow_forwardThe capacity of a full cylindrical capacitor of length L with inner radius a and outer radius b, C = (2πϵrϵo)*L / (ln (b / a))is known to be. The capacitor is angularly composed of two insulating regions and these insulating regions are; With ø1 = 2.3 rad and a region with a relative dilutive constant εr1 = 5.6 Regions with relative dilutive constant ø2 = 3.9831 rad r2 = 3.2 The equivalent capacity of this capacitor is how many times the capacitor whose insulator is the space. (ø2 + ø2 = 2π) The gap dielectric constant εo = 8.842 pF / m and capacitor dimensions; L = 20 cm a = 1.5 cm b = 3.4 cmarrow_forwardA capacitor sensor of three parallel plates, having distance between upper plate and middleplate is 0.75cm and the distance between lower plate and middle plate is 0.46cm, having an areaof 28mm. Due to displacement, if upper plate and lower plate are moved towards the middleplate by 3mm, then calculate the following,i. Capacitance between upper and middle plates.ii. Capacitance between lower and middle plates. iii. Net capacitance of the capacitor sensor.arrow_forward
- Two concentric cylindrical plates have an outer radius of 4 cm, an inner radius of 3.8 cm, and a cylinder length of 10 cm. The gap of both plates contains air. Specify: a. Capacitance of capacitors (in pF, pico-farad). b. Capacitor charge (in nC, nano-coulomb) if the capacitor is connected to a 12 volt power source. c. Capacitance and charge captor if the gap of both plates is filled by the material with a dielectric constant of 2.3.arrow_forward1. а. Obtain the absolute potential at point A (2, 2, 3) m due to a point charge Q=0.4nC is located at the origin. If the same point charge is relocated to B (2, 3, 3) m, calculate the absolute potential at new position due to charge Q. b. A coaxial cable has inner radius of 1.2cm and outer radius of 1.8cm and has a length of 35m with an insulating material with relative permittivity 4.5. Calculate: i. Capacitance per meter. ii. Total Energy stored in the cable if a potential of 400v is applied across the cable.arrow_forwardb. A coaxial cable has inner radius of 1.2cm and outer radius of 1.8cm and has a length of 35m with an insulating material with relative permittivity 4.5. Calculate: i. Capacitance per meter. ii. Total Energy stored in the cable if a potential of 400v is applied across the cable.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,
Capacitors Explained - The basics how capacitors work working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=X4EUwTwZ110;License: Standard YouTube License, CC-BY