Mathematical and Physical Journal
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Problem P. 4353. (May 2011)

P. 4353. Two very long plastic rods are placed perpendicularly at a distance of d. They are both charged uniformly, their linear charge density is \lambda. Calculate the repelling force between them.

(6 pont)

Deadline expired on June 10, 2011.


Sorry, the solution is available only in Hungarian. Google translation

Megoldás. Az erő \(\displaystyle d\) nagyságától függetlenül \(\displaystyle F=2\pi k\lambda^2\).


Statistics:

26 students sent a solution.
6 points:Antalicz Balázs, Béres Bertold, Dinev Georgi, Filep Gábor, Jenei Márk, Juhász Péter, Koncz Gabriella, Kovács 444 Áron, Nagy Lajos, Nagy Zsolt, Pázmán Koppány, Pető János, Szabó 928 Attila, Szigeti Bertalan György, Szikszai Lőrinc, Várnai Péter, Vuchetich Bálint.
5 points:Jéhn Zoltán, Maknics András, Papp Roland, Szélig Áron.
4 points:2 students.
3 points:3 students.

Problems in Physics of KöMaL, May 2011