Consider the charge configurations below. The angle alpha may be any arbitrary angle, not necessarily 45 degrees. In case B, a charge +Q/2 is uniformly distributed on the curved rod, which is a section of a circle. In case A, the charge Q/2 is also at a distance R from the -Q charge.

Consider the charge configurations below. The angle alpha may be any arbitrary angle, not necessarily 45 degrees. In case B, a charge +Q/2 is uniformly distributed on the curved rod, which is a section of a circle. In case A, the charge Q/2 is also at a distance R from the -Q charge.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Consider the charge configurations below. The angle alpha may be any arbitrary angle, not necessarily 45 degrees. In case B, a charge +Q/2 is uniformly
distributed on the curved rod, which is a section of a circle. In case A, the charge Q/2 is also at a distance R from the -Q charge.
smallest:
next smallest:
third smallest:
A:
largest:
C:
+Q/4
R
0 +Q/2
R
→
R
+Q/4
α
Rank in order of increasing magnitude of net force on the Q, from smallest force to largest force:
B:
D:
+Q/2
R
+Q/2 (on point)
R
+Q/2 (on rod)
+Q/2
a
α

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