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 2CQ
Which way do electric field lines point, from high to low potential or from low to high? Explain your reasoning.
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
(II) Suppose the space shuttle is in orbit 400 km from the Earth’s surface, and circles the Earth about once ev...
Physics for Scientists and Engineers with Modern Physics
Check Your understanding Three displacement vectors A , B , and F in (Figure 2.13) are specified by their magni...
University Physics Volume 1
A particle is moving at 0.90c. If its speed increases by 10%, by what factor does its momentum increase?
Essential University Physics: Volume 2 (3rd Edition)
The plot which best represents the horizontal component of the canon ball’s velocity.
Physics (5th Edition)
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)
10. Suppose you are holding a box in front of you and away from your body by squeezing the sides, as shown in F...
College Physics: A Strategic Approach (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
- The electric field strength between two parallel conducting plates separated by 4.00 cm is 7.50 104 V/m. (a) What is the potential difference between the plates? (b) The plate with the lowest potential is taken to be at zero volts. What is the potential 1.00 cm from that plate (and 3.00 cm from the other)?arrow_forwardA long thin wire is used in laser printers to charge the photoreceptor before exposure to light. This is done by applying a large potential difference between the wire and the photoreceptor. a. Use Equation 26.23, V(r)=20lnRr to determine a relationship between the electric potential V and the magnitude of the electric field E at a distance r from the center of the wire of radius R (r R). b. Determine the electric potential at a distance of 2.0 mm from the surface of a wire of radius R = 0.80 mm that will produce an electric field of 1.8 106 V/m at that point.arrow_forwarda. If capacitor B in Figure 27.8 has a charge of 0.5 nC, what is the potential difference between its plates and how much potential energy does it store? b. If capacitor A in Figure 27.8 stores the same amount of potential energy found in part (a), what is the magnitude of the excess charge on its plates? What is the potential difference between its plates? Use the capacitance CA found in Concept Exercise 27.2.arrow_forward
- A 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_forwardThe naturally occurring charge on the ground on a fine day out in the open country is -1.00nC/m2. (a) What is the electric field relative to ground at a height of 3.00 m? (b) Calculate the electric potential at this height. (C) Sketch electric field and equipotential lines for this scenario.arrow_forward(a) Plot the potential of a uniformly charged 1-m rod with 1 C/m charge as a function of the perpendicular distance from the center. Draw your graph from s = 0,1 in to s = 1.0m. (b) On the same graph, plot the potential of a point charge with a 1-C charge at the origin, (c) Which potential is stronger near the rod? (d) What happens to the difference as the distance increases? Interpret your result.arrow_forward
- A uniform electric field of magnitude 325 V/m is directed in the negative y direction in Figure P20.1. The coordinates of point are (0.200, 0.300) m, and those of point are (0.400, 0.500) m. Calculate the electric potential difference using the dashed-line path. Figure P20.1arrow_forward(a) What is the potential between two points situated 10 cm and 20 cm from a 3.0 C point charge? (b) To what location should the point at 20 cm be moved to increase this potential difference by a factor of two?arrow_forwardTwo 5.00-nC charged particles are in a uniform electric field with a magnitude of 625 N/C. Each of the particles is moved from point A to point B along two different paths, labeled in Figure P26.65. a. Given the dimensions in the figure, what is the change in the electric potential experienced by the particle that is moved along path 1 (black)? b. What is the change in the electric potential experienced by the particle that is moved along path 2 (red)? c. Is there a path between the points A and B for which the change in the electric potential is different from your answers to parts (a) and (b)? Explain. FIGURE P26.65 Problems 65, 66, and 67.arrow_forward
- An 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_forward(a) Find the electric potential difference Ve required to stop an electron (called a stopping potential) moving with an initial speed of 2.85 107 m/s. (b) Would a proton traveling at the same speed require a greater or lesser magnitude of electric potential difference? Explain. (c) Find a symbolic expression for the ratio of the proton stopping potential and the electron stopping potential. Vp/Ve.arrow_forwardIn a particular region, the electric potential is given by V=xy2z+4xy . What is the electric field in this region?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 LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY