Mathematical and Physical Journal
for High Schools
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Problem P. 3831. (October 2005)

P. 3831. A lasso made of a piece of metal wire is thrown around a stake fixed in the ground, and then the end of the lasso is pulled with a constant speed. Suppose that the loop around the stake remains circular. Calculate the induced current in the loop.

(5 pont)

Deadline expired on November 11, 2005.


Statistics:

39 students sent a solution.
5 points:Almási 270 Gábor András, Döme Zsolt, Engedy Balázs, Filep Tamás, Konczer József, Kónya 495 Gábor, Meszéna Balázs, Nagy 555 Zoltán, Pásztor Attila, Pósa László, Roósz Gergő, Szolnoki Lénárd, Werner Miklós.
4 points:Almasi Susann Melinda , Gresits Iván, Hegyi Ádám, Hullár Dávid, Kocsis Vilmos, Kőrösi Márton, Mándi Gábor, Matulik Gábor, Nagy 317 Péter, Nyíri Dávid Ákos, Szabó András László, Széchenyi Gábor.
3 points:2 students.
2 points:5 students.
1 point:3 students.
0 point:1 student.
Unfair, not evaluated:3 solutionss.

Problems in Physics of KöMaL, October 2005