Fundamentals of Electromagnetics with Engineering Applications
1st Edition
ISBN: 9780470105757
Author: Stuart M. Wentworth
Publisher: Wiley, John & Sons, Incorporated
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Question
Chapter 2, Problem 2.50P
To determine
The current in a columnar beam of electrons.
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Three identical point charges (+33 µC) are placed at the corners of an equilateral triangle that has (20 cm sides. How much
work (in units of J) is required to assemble this charge arrangement starting with each of the charges a very large distance
from any of the other charges?
Select one:
OA. 87.1
OB. 147.0
OD. 108.9
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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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Similar questions
- If Q = 33.7 µC and L = 60 cm, what is the magnitude of the %3D electrostatic force (in units of N) on any one of the charges shown? use ke = 9x10° N-m2/C2 +Q -Q L. -Q Select one: A. 25.96 В. 60.03 C. 37.31 D. 15.57 E. 51.91arrow_forwardThe answer is 858.8880 N/C, 67.7005o N of W Show the solutionarrow_forwardExample Problem #7: What is the electric field at the origin for the three charges as shown ? 4m,g3=-1.5uC Given : 91 = -1µC 92= +2 µC r, = 5m 93= -1.50µC r3 = 4m r = 3.5m -5m, q2= +2uC 3.5m, q1=-1uC %3D %3D %3D %3Darrow_forward
- complete solutionarrow_forwardDetermine the capacitance of a conducting sphere with radius a surrounded by a thick conducting spherical shell with inner radius b and outer radius c. (Hint: you first might want to draw the charge distribution. Then consider where the "ground" of your capacitor is). 4π€ 00 a 4π€ 4πE。 b 4πE In(b/a) barrow_forwardBoundary Conditions Two planar slabs of equal thickness but with different dielectric constants are shown inFigure. Eo in air makes an angle of 30° with the z-axis. Calculate the angle that E makes with the z-axis in each of the two dielectric layers.arrow_forward
- I know its downward. How about the second part?arrow_forwardHW 2-17 Determine the capacitance of a conducting sphere of radius 5 cm deeply immersed in sea water (ɛ, = 80). Answer 444 pFarrow_forwardProblem 4. A positive point charge q₁5 [nc] is on the x-axis at x₁ = -1 [m] and a second positive point charge q₂ = 4 [nc] is on the x-axis at x₂ = 3 [m]. dl = b. a. and Point A. C. 91 Point A is on the x-axis at XA = 8 [m]. 0 = EzA=[ O+x O-x O+y O-y d. and Point A. d2 = 2 m 92 Find the distance between 91 6 created by the charge q₁ at Point A. E₁A= Ĵ [N/C] Find the distance between 92 Find the magnitude of È ₁A. [N/C] m x, m Calculate ₁4 the electric field 1A created by the charge 92 at Point A. E₂A î+ [N/C] g. Consider a point located 6 m from the origin, what will be the direction of the net electric field created by the charges at this point? Find the magnitude of È 2A. [N/C] Calculate E24 the electric field 2Aarrow_forward
- A spherical capacitor having a radius of 5cm and 5.5cm for positive and negative conductor respectively. If the charges on each conductor are 950nC, what is the voltage across the capacitor? Please show solutions!arrow_forwardm. Charges a] ind uz in 1mm an n- ‘ axis, in dn‘liums a m b, mmmw, Imm [he a Yam 3; shown m Figure belaw. Fmd me mmwmnls M [he an llmvk new :1 me now v, wmch ‘5 a! 90mm to, VLarrow_forwardNote: For direction of the electric field, you can use one of the following: North, East, South, and West or Up, Right, Down, and Left P. 2. Two charges are situated near point P. q = -4.5 μC and q2 = 3.5 μC. Find the electric field strength at point P. 3.0 m T 91 + 2.5 m 11.2 Ⓒ 92arrow_forward
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