Concept explainers
Net work done, and force exerted in moving a test charge from one point to the other if points are at the same potential?
Answer to Problem 1Q
Solution:
Net work done = 0
Force exerted may or may not be zero.
Explanation of Solution
We have potential difference between two points, , where is the net work done and q is the charge. Here , so we will get net work done . So net work done in moving a charge from one point to other if the points are at the same potential is zero.
If the charge is taken to a higher potential first and then to the earlier potential, in first step there will be a negative work and in second step there is a positive work. But the net work done is zero.
Force exerted on a charge when it is taken along an equipotential line is zero. But when there is negative work and positive work there will be a force exerted.
Want to see more full solutions like this?
Chapter 17 Solutions
Physics: Principles with Applications
Additional Science Textbook Solutions
Introduction to Electrodynamics
Lecture- Tutorials for Introductory Astronomy
Physics for Scientists and Engineers with Modern Physics
University Physics Volume 1
Essential University Physics: Volume 1 (3rd Edition)
Applied Physics (11th Edition)
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON