College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 18, Problem 4CQ
The potential (relative to a point at infinity) midway between two charges of equal magnitude and opposite sign is zero. Can you think of a way to bring a test charge from infinity to this midpoint in such a way that no work is done in any part of the displacement?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 18 Solutions
College Physics (10th Edition)
Ch. 18 - Why must electric field lines be perpendicular to...Ch. 18 - Which way do electric field lines point, from high...Ch. 18 - If the electric field is zero throughout a certain...Ch. 18 - The potential (relative to a point at infinity)...Ch. 18 - A capacitor is charged by being connected to a...Ch. 18 - A capacitor is charged by being connected to a...Ch. 18 - Two parallel-plate capacitors, identical except...Ch. 18 - The two plates of a capacitor are given charges Q,...Ch. 18 - Liquid dielectrics having polar molecules (such as...Ch. 18 - To store the maximum amount of energy in a...
Ch. 18 - You have two capacitors and want to connect them...Ch. 18 - You have three capacitors, not necessarily equal,...Ch. 18 - A surface will be an equipotential surface if...Ch. 18 - In Figure 18.31, point P is equidistant from both...Ch. 18 - For the capacitor network shown in Figure 18.32, a...Ch. 18 - Two charges are placed on the x axis. A charge of...Ch. 18 - Two point charges with charge +q are initially...Ch. 18 - If the potential (relative to infinity) due to a...Ch. 18 - If the electric potential energy of two point...Ch. 18 - An electron is released between the plates of a...Ch. 18 - The plates of a parallel-plate capacitor are...Ch. 18 - When a certain capacitor carries charge of...Ch. 18 - Two large metal plates carry equal and opposite...Ch. 18 - The electric potential (relative to infinity) due...Ch. 18 - A charge of 28.0 nC is placed in a uniform...Ch. 18 - Two very large charged parallel metal plates are...Ch. 18 - How far from a 7.20 C point charge must a +2.30 C...Ch. 18 - A point charge q1 = +2 40 C is held stationary at...Ch. 18 - Two stationary point charges of +3.00 nC and +2.00...Ch. 18 - A set of point charges is held in place at the...Ch. 18 - Three equal 1.20 C point charges are placed at the...Ch. 18 - When two point charges are a distance R apart,...Ch. 18 - Two large metal parallel plates carry opposite...Ch. 18 - A potential difference of 4.75 kV is established...Ch. 18 - BIO Axons. Neurons are the basic units of the...Ch. 18 - BIO Electrical sensitivity of sharks. Certain...Ch. 18 - A particle with a charge of +4 20 nC is in a...Ch. 18 - Two very large metal parallel plates are 20.0 cm...Ch. 18 - A uniform electric field has magnitude E and is...Ch. 18 - A point charge is sitting at the origin. The...Ch. 18 - An electron is to be accelerated from 3.00 108...Ch. 18 - A small particle has charge 5.00 C and mass 2.00 ...Ch. 18 - Two point charges q1 = +2.40 nC and q2 = 6.50 nC...Ch. 18 - A point charge Q = +4.00 C is held fixed al the...Ch. 18 - Two protons are released from rest when they are...Ch. 18 - x-ray tube. An x-ray tube is an evacuated glass...Ch. 18 - A parallel-plate capacitor having plates 6.0 cm...Ch. 18 - Two very large metal parallel plates that are 25...Ch. 18 - (a) A +5.00 C charge is located on a sheet of...Ch. 18 - A +1.50 C point charge is sitting at the origin....Ch. 18 - Dipole. A dipole is located on a sheet of paper....Ch. 18 - (a) You find that if you place charges of 1.25 C...Ch. 18 - The plates of a parallel-plate capacitor are 3.28...Ch. 18 - The plates of a parallel-plate capacitor are 2.50...Ch. 18 - A parallel-plate air capacitor has a capacitance...Ch. 18 - Suppose you were to design a 1 F parallel-plate...Ch. 18 - A 10.0 F parallel-plate capacitor with circular...Ch. 18 - A 10.0 F parallel-plate capacitor is connected to...Ch. 18 - You make a capacitor by cutting the...Ch. 18 - A 5.00 pF parallel-plate air-filled capacitor with...Ch. 18 - A disk-shaped parallel-plate capacitor has a...Ch. 18 - A parallel-plate capacitor C is charged up to a...Ch. 18 - For the system of capacitors shown in Figure...Ch. 18 - Electric eels. Electric eels and electric fish...Ch. 18 - In Figure 18.39, C1 = 6.00 f, C2 = 3.00 F. and C3...Ch. 18 - You are working on an electronics pro.ect that...Ch. 18 - In Figure 18 39, C1 = 3.00 F anri Vab = 120 V. The...Ch. 18 - A 4.00 F and a 6.00 F capacitor are wired in...Ch. 18 - In the circuit shown in Figure 18.40, the...Ch. 18 - In Figure 18.41 each capacitor has C = 4.00 f and...Ch. 18 - Figure 18.42 shows a system of four capacitors...Ch. 18 - For the system of capacitors shown in Figure...Ch. 18 - How much charge does a 12 V battery have to supply...Ch. 18 - A 5.80 F parallel-plate air capacitor has a plate...Ch. 18 - (a) How much charge does a battery have to supply...Ch. 18 - In the text, it was shown that the energy stored...Ch. 18 - A parallel-plate vacuum capacitor has 8.38 J of...Ch. 18 - A 5.00 nF parallel-plate capacitor contains 25.0 J...Ch. 18 - For the capacitor network shown in Figure 18.44,...Ch. 18 - For the capacitor network shown in Figure 18.45,...Ch. 18 - For the capacitor network shown in Figure 18.46,...Ch. 18 - A parallel-plate air capacitor has a capacitance...Ch. 18 - Cell membranes. Cell membranes (the walled...Ch. 18 - A parallel-plate capacitor is to be constructed by...Ch. 18 - A 12.5 F capacitor is connected to a power supply...Ch. 18 - The paper dielectric in a paper-and-foil capacitor...Ch. 18 - A constant potential difference of 12 V is...Ch. 18 - (a) If a spherical raindrop of radius 0.650 mm...Ch. 18 - At a certain distance from a point charge, the...Ch. 18 - Two oppositely charged identical insulating...Ch. 18 - A positive point charge Q is placed at a position...Ch. 18 - An alpha particle with a kinetic energy of 10.0...Ch. 18 - In the Bohr model of the hydrogen atom, a single...Ch. 18 - A proton and an alpha particle are released from...Ch. 18 - A parallel-plate air capacitor is made from two...Ch. 18 - In the previous problem, suppose the battery...Ch. 18 - A capacitor consists of two parallel plates, each...Ch. 18 - Electronic flash units for cameras contain a...Ch. 18 - In Figure 18.49, each capacitance C1 is 6.9 F and...Ch. 18 - Prob. 76PPCh. 18 - A helium ion (He++) that comes within about 10 fm...Ch. 18 - The maximum voltage at the center of a typical...Ch. 18 - How many moles of Na+ must move per unit area of...Ch. 18 - Prob. 80PPCh. 18 - Suppose that the change in Vm was caused by the...Ch. 18 - What is the minimum amount of work that must be...
Additional Science Textbook Solutions
Find more solutions based on key concepts
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
39.(I) A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.55 s. How high is...
Physics: Principles with Applications
An 11,000-kg freight car rests against a spring bumper at the end of a railroad track. The spring has constant ...
Essential University Physics: Volume 1 (3rd Edition)
3. A typical photovoltaic cell delivers 4.0 × 10–3 W of electric energy when illuminated with 1.2 × 10–1 W of l...
College Physics: A Strategic Approach (3rd Edition)
24. 24 yd2 = ____________ft2
Applied Physics (11th Edition)
15. In the Olympic shotput event, an athlete throws the shot with an initial speed of 12.0 m/s at a 40.0° angle...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (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, physics and related others by exploring similar questions and additional content below.Similar questions
- Four particles are positioned on the rim of a circle. The charges on the particles are +0.500 C, +1.50 C, 1.00 C, and 0.500 C. If the electric potential at the center of the circle due to the +0.500 C charge alone is 4.50 104 V, what is the total electric potential at the center due to the four charges? (a) 18.0 104 V (b) 4.50 104 V (c) 0 (d) 4.50 104 V (e) 9.00 104 Varrow_forwardThe three charged particles in Figure P20.11 are at the vertices of an isosceles triangle (where d = 2.00 cm). Taking q = 7.00 C, calculate the electric potential at point A, the midpoint of the base. Figure P20.11arrow_forwardA small spherical pith ball of radius 0.50 cm is painted with a silver paint and then -10 C of charge is placed on it. The charged pith ball is put at the center of a gold spherical shell of inner radius 2.0 cm and outer radius 2.2 cm. (a) Find the electric potential of the gold shell with respect to zero potential at infinity, (b) How much charge should you put on the gold shell if you want to make its potential 100 V?arrow_forward
- Two parallel plates 10 cm on a side are given equal and opposite charges of magnitude 5.0109 C. The plates are 1.5 mm apart. What is the potential difference between the plates?arrow_forwardTwo very large metal plates are placed 2.0 cm apart, with a potential difference of 12 V between them. Consider one plate to be at 12 V, and the other at 0 V. (a) Sketch the equipotential surfaces for 0, 4, 8, and 12 V. (b) Next sketch in some electric field lines, and confirm that they are perpendicular to the equipotential lines.arrow_forwardTwo particles each with charge +2.00 C are located on the x axis. One is at x = 1.00 m, and the other is at x = 1.00 m. (a) Determine the electric potential on the y axis at y = 0.500 m. (b) Calculate the change in electric potential energy of the system as a third charged particle of 3.00 C is brought from infinitely far away to a position on the y axis at y = 0.500 m.arrow_forward
- A uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown in Figure P20.29. The rod has a total charge of 7.50 C. Find the electric potential at O, the center of the semicircle. Figure P20.29arrow_forwardThe dielectric to be used in a parallel-plate capacitor has a dielectric constant of 3.60 and a dielectric strength of 1.60107 V/m. The capacitor has to have a capacitance of 1.25 nF and must be able to withstand a maximum potential difference 5.5 kV. What is the minimum area the plates of the capacitor may have?arrow_forwardWhat is the maximum charge that can be stored on the 8.00-cm2 plates of an air-filled parallel-plate capacitor beforebreakdown occurs? The dielectric strength of air is 3.00 MV/m.arrow_forward
- (a) Find the electric potential, taking zero at infinity, at the upper right corner (the corner without a charge) of the rectangle in Figure P16.13. (b) Repeat if the 2.00-C charge is replaced with a charge of 2.00 C. Figure P16.13 Problems 13 and 14.arrow_forwardAn electron moving parallel to the x axis has an initial speed of 3.70 106 m/s at the origin. Its speed is reduced to 1.40 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. (b) Which point is at the higher potential?arrow_forwardTwo large charged plates of charge density 30C/m2 face each other at a separation of 5.0 mm. (a) Find the electric potential everywhere, (b) An electron is released from rest at the negative plate; with what speed will it strike the positive plate?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY