As shown in Figure, a particle of charge +Q produces an electric field of magnitude Epart at point P, at distance R from the particle. As in figure b, that same amount of charge is spread uniformly along a circular arc that has radius R and subtends an angle ?. The charge on the arc produces an electric field of magnitude Earc at its center of curvature P. For what value of ? does Earc = 0.50 Epart ?

As shown in Figure, a particle of charge +Q produces an electric field of magnitude Epart at point P, at distance R from the particle. As in figure b, that same amount of charge is spread uniformly along a circular arc that has radius R and subtends an angle ?. The charge on the arc produces an electric field of magnitude Earc at its center of curvature P. For what value of ? does Earc = 0.50 Epart ?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter6: Gauss's Law

Section: Chapter Questions

Problem 58P: Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed...

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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

As shown in Figure, a particle of charge +Q produces an electric field of magnitude E_partat point P, at
distance R from the particle. As in figure b, that same amount of charge is spread uniformly along a circular
arc that has radius R and subtends an angle ?. The charge on the arc produces an electric field of magnitude
E_arc at its center of curvature P. For what value of ? does E_arc = 0.50 E_part?

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