A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field E. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. L c) +q b) For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge The sheet-point charge system Ax Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain

A large square sheet (not a rod!) has a total charge -Q distributed uniformly over its area. This sheet makes a uniform electric field E. A positive point charge is moved (by you) a distance Ax away from the sheet at constant speed, as shown at right. a) For each of the forces on the charge during this motion, determine whether the work done by the force was positive, negative, or zero. Explain your reasoning. L c) +q b) For each of the following systems, has the potential energy, increased, decreased, or remained constant? Does this depend on the sign of the point charge? Explain in each case. • The system of just the point charge The sheet-point charge system Ax Has the point charge moved to a position of higher or lower potential? Does your answer depend on the sign of the point charge? Explain

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 118AP: Three charges are positioned at the cornets of a parallelogram as shown below. (a) If Q=8.0C what is...

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