A positive point source charge is located at O which creates a radially symmetric electric field as indicated in the diagram below. A positive point charge is located at A. Explain (a) why no electrostatic work is done on the particle initially at Aif it is moved from A to Calong the circular segments of the stepped path. (b) why electrostatic work is only done on the particle when it is moved along the radial segments of the stepped path from A to C. (c) Is the potential difference VAC positive, negative or zero? Give a reason for your answer.

University Physics Volume 2
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ISBN:9781938168161
Author:OpenStax
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Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 99P: A particle of mass m and charge q moves along a straight line away from a fixed particle of charge...
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A positive point source charge is located at O which creates a radially symmetric electric field as indicated in the diagram below. A positive
point charge is located at A. Explain
(a) why no electrostatic work is done on the particle initially at A if it is moved from A to Calong the circular segments of the stepped path.
(b) why electrostatic work is only done on the particle when it is moved along the radial segments of the stepped path from A to C.
(c) Is the potential difference VAC positive, negative or zero? Give a reason for your answer.
Field does work
on particle during
radial segments..
... but not during
circular segments.
Transcribed Image Text:A positive point source charge is located at O which creates a radially symmetric electric field as indicated in the diagram below. A positive point charge is located at A. Explain (a) why no electrostatic work is done on the particle initially at A if it is moved from A to Calong the circular segments of the stepped path. (b) why electrostatic work is only done on the particle when it is moved along the radial segments of the stepped path from A to C. (c) Is the potential difference VAC positive, negative or zero? Give a reason for your answer. Field does work on particle during radial segments.. ... but not during circular segments.
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