Physics For Scientists and Engineers
4th Edition
ISBN: 9780134391786
Author: Randall D. Knight
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 25, Problem 9CQ
FIGURE Q25.9 shows two points inside a capacitor. Let V = 0 V at
the negative plate.
a. What is the ratio V2/Vl of the electric potentials? Explain.
b. What is the ratio E2/E1 of the electric field strengths?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
In a semiclassical model of the hydrogen atom, the electron orbits the proton at a distance of 0.053 nm.
A) What is the electric potential of the proton at the position of the electron?
B) What is the electron's potential energy?
A capacitor consists of two parallel plates that are 5 mm apart. The potential difference between them is 1 200 V. (a) What is the potential gradient in the capacitor? (b) What is the electric force on a proton midway between the plates?
The chocolate crumb mystery. . (a) From the answer to part (a) of that problem, find an expression for the electric potential as a function of the radial distance r from the center of the pipe. (The electric potential is zero on the grounded pipe wall.) (b) For the typical volume charge density r=-1.1 * 10-3 C/m3, what is the difference in the electric potential between the pipe’s center and its inside wall?
Chapter 25 Solutions
Physics For Scientists and Engineers
Ch. 25 - a. Charge q1is distance r from a positive point...Ch. 25 - FIGURE Q25.2 shows the potential energy of a...Ch. 25 - An electron moves along the trajectory of FIGURE...Ch. 25 - Two protons are launched with the same speed from...Ch. 25 - Rank in order, from most positive to most...Ch. 25 - FIGURE Q25.6 shows the electric potential along...Ch. 25 - A capacitor with plates separated by distance d is...Ch. 25 - Prob. 8CQCh. 25 - FIGURE Q25.9 shows two points inside a capacitor....Ch. 25 - FIGURE Q25.10 shows two points near a positive...
Ch. 25 - ll. FIGURE Q25.11 shows three points near two...Ch. 25 - Reproduce FIGURE Q25.12 on your paper. Then draw a...Ch. 25 - I. The electric field strength is 20,000 N/C...Ch. 25 - The electric field strength is 50,000 N/C inside a...Ch. 25 - A proton is released from rest at the positive...Ch. 25 - A proton is released from rest at the positive...Ch. 25 - Prob. 5EAPCh. 25 - What is the electric potential energy of the group...Ch. 25 - What is the electric potential energy of the group...Ch. 25 - Two positive point charges are 5.0 cm apart. If...Ch. 25 - A water molecule perpendicular to an electric...Ch. 25 - FIGURE EX25.10 shows the potential energy of an...Ch. 25 - What is the speed of a proton that has been...Ch. 25 - I What is the speed of an electron that has been...Ch. 25 - What potential difference is needed to accelerate...Ch. 25 - Prob. 14EAPCh. 25 - A proton with an initial speed of 800,000 m/s is...Ch. 25 - Prob. 16EAPCh. 25 - Prob. 17EAPCh. 25 - In proton-beam therapy, a higher-energy beam of...Ch. 25 - Prob. 19EAPCh. 25 - Prob. 20EAPCh. 25 - Prob. 21EAPCh. 25 - Prob. 22EAPCh. 25 - Prob. 23EAPCh. 25 - Prob. 24EAPCh. 25 - Two 2.0-cm-diameter disks spaced 2.0 mm apart form...Ch. 25 - In FIGURE EX25.26, a proton is fired with a speed...Ch. 25 - Prob. 27EAPCh. 25 - Prob. 28EAPCh. 25 - Prob. 29EAPCh. 25 - Prob. 30EAPCh. 25 - Prob. 31EAPCh. 25 - Prob. 32EAPCh. 25 - Prob. 33EAPCh. 25 - Prob. 34EAPCh. 25 - Prob. 35EAPCh. 25 - A 5.0-cm-diamtere metal ball has a surface charge...Ch. 25 - Prob. 37EAPCh. 25 - Prob. 38EAPCh. 25 - Prob. 39EAPCh. 25 - Prob. 40EAPCh. 25 - Prob. 41EAPCh. 25 - The four 1.0 g sphere shown in FIGURE P25.42 are...Ch. 25 - A proton’s speed as it passes point A is 50,000...Ch. 25 - Prob. 44EAPCh. 25 - Prob. 45EAPCh. 25 - Prob. 46EAPCh. 25 - Prob. 47EAPCh. 25 - Prob. 48EAPCh. 25 - Prob. 49EAPCh. 25 - Prob. 50EAPCh. 25 - What is the escape speed of an electron launched...Ch. 25 - Prob. 52EAPCh. 25 - Prob. 53EAPCh. 25 - Il A 2.0-mm-diameter glass bead is positively...Ch. 25 - Prob. 55EAPCh. 25 - Il A proton is fired from far away toward the...Ch. 25 - Prob. 57EAPCh. 25 - Prob. 58EAPCh. 25 - Il One form of nuclear radiation, beta decay,...Ch. 25 - Il Two 10-cm-diameterelectrodes 0.50 cm a part...Ch. 25 - Il Two 10-cm-diameter electrodes 0.50 cm apart...Ch. 25 - Il Electrodes of area A are spaced distance d...Ch. 25 - Prob. 63EAPCh. 25 - Il Two spherical drops of mercury each have a...Ch. 25 - Prob. 65EAPCh. 25 - Il FIGURE P25.66 shows two uniformly charged...Ch. 25 - Prob. 67EAPCh. 25 - Il The arrangement of charges shown in FIGURE...Ch. 25 - Il FIGURE P25.69 shows a thin rod of length L and...Ch. 25 - Il FIGURE P25.69 shows a thin rod of length L and...Ch. 25 - I FIGURE P25.71 shows a thin rod with charge Q...Ch. 25 - Prob. 72EAPCh. 25 - Prob. 73EAPCh. 25 - Prob. 74EAPCh. 25 - Prob. 75EAPCh. 25 - Prob. 76EAPCh. 25 - Prob. 77EAPCh. 25 - Il A proton and an alpha particle (q = +2e, m = 4...Ch. 25 - Ill Bead A has a mass of 15 g and a charge of —5.0...Ch. 25 - Il Two 2.0-mm-diameter beads, C and D, are 10 mm...Ch. 25 - Il A thin rod of length L and total charge Q has...Ch. 25 - Il A hollow cylindrical shell of length L and...
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
- A research Van de Graaff generator has a 2.00-rn- diameter metal sphere with a charge of 5.00 mC on it. (a) What is the potential near its surface? (b) At what distance from its center is the potential 1.00 MV? (C) An oxygen atom with three missing electrons is released near the Van de Graatf generator. What is its energy in MeV at this distance?arrow_forwardAn electron is launched at a 45º angle and a speed of 5.0x106 m/s from the positive plate of the parallel-plate capacitor shown in the figure. The electron lands 4.0 cm away. a) What is the electric field strength inside the capacitor? b) What is the minimum spacing between the plates?arrow_forwardA parallel-plate capacitor has an area of 5.00 cm^2, and the plates are separated by 1.00 mm. The capacitor stores a charge of 400.0 pC. a. What is the potential difference across the plates of the capacitor? b. What is the magnitude of the uniform electric field in the region that is located between the plates?arrow_forward
- a. What is the electric potential at point A given?b. What is the potential energy of a proton at point A?arrow_forward(a). How much work is required to move a -50 µC charge from an electric potential of -50V to 250V? If charge accelerates from rest, what is the final speed if it has a mass of 0.01 gm?(b). Find the speed of electron if the kinetic energy of an electron is 500eVarrow_forwardHow much kinetic energy will an electron gain (in joules and eV) if it falls through a potential difference of 21,000 V in a TV picture tube? A proton is moved from the negative plate to the positive plate of a parallel-plate arrangement. The plates are 1.5cm apart, and the electric field is uniform with a magnitude of 1500N/C. a) What is the potential energy gain? b) What is the potential difference between the plates? c) What is the potential difference between the negative plate and a point midway between the plates? d.) If the proton is released from rest at the positive plate, what speed will it have as it hits the negative plate?arrow_forward
- In the figure a charged particle (either an electron or a proton) is moving rightward between two parallel charged plates separated by distance d = 2.60 mm. The plate potentials are V1 = –70.0 V and V2 = –50.0 V. The particle is slowing from an initial speed of 95.0 km/s at the left plate. (a) Is the particle an electron or a proton? (b) What is its speed just as it reaches plate 2?arrow_forwardA research Van de Graaff generator has a 2.30 m diameter metal sphere with a charge of 1.03 mC on it. (a) What is the electric potential on the surface of the sphere? _________V(b) At what distance from its center is the potential 4.00 MV? __________m(c) An oxygen atom with three missing electrons is released near the surface of the Van de Graaff generator. What is its kinetic energy in MeV at the distance determined in part (b)?________ MeVarrow_forwardA 10V battery is connected to two parallel metal plates placed in a vacuum. An electron is accelerated from rest to the negative plate toward the positive plate. (A) What kinetic energy does the electron have just as it reaches the positive plate? (B) What is the speed of the electron as it reaches the plate?arrow_forward
- (a) A point charge Q creates an electric potential of +125 V at a distance of 15 cm. What is Q?(b) What is the electric potential at a distance of 2.5x10-15 m away from a proton?(c) What is the electric potential energy of a system that consists of two protons 2.5x10-15 m apart, as might occur inside a typical nucleus?arrow_forward(a) What is the electric potential energy of two electrons separated by 1.16 nm? (b) What would be it be if the separation was doubled?arrow_forwardA wire having a uniform linear charge density λ is bent into the shape shown in Figure P25.47. Find the electric potential at point 0.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
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