|Jan25-09, 05:34 PM||#1|
The Electric Field Due to a Charged Disk
1. The problem statement, all variables and given/known data
A circular plastic disk with radius R = 1.80 cm has a uniformly distributed charge of Q = + 2.15 106 e on one face. A circular ring of width 30 Ám is centered on that face, with the center of the ring at radius r = 0.50 cm. What charge is contained within the width of the ring?
2. Relevant equations
3. The attempt at a solution
|Jan25-09, 06:19 PM||#2|
I don't see it as an electric field question. The question asks "what charge ...".
|charged disk, electric field, physics, uniform|
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