Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?
I want the old design back!!! :-)

Problem P. 4712. (February 2015)

P. 4712. To which two points of a uniform density and uniform cross section copper ring should an electrical voltage supply be connected in order that the magnetic flux density induced by the current in the ring is to be zero at the centre of the ring?

(4 pont)

Deadline expired on March 10, 2015.


Statistics:

37 students sent a solution.
4 points:Asztalos Bogdán, Balogh Menyhért, Beregi Ábel, Berta Dénes, Blum Balázs, Bugár 123 Dávid, Büki Máté, Csathó Botond, Fekete Panna, Forrai Botond, Fülöp Erik, Holczer András, Juhász 326 Dániel, Kaposvári Péter, Kasza Bence, Körmöczi Dávid, Körtefái Dóra, Lőrincz Zoltán, Marosvári Kristóf, Molnár 128 Szilárd, Németh Flóra Boróka, Öreg Botond, Páhoki Tamás, Sal Kristóf, Szántó Benedek, Varga-Umbrich Eszter, Varju Ákos, Wiandt Péter.
2 points:1 student.
1 point:7 students.
0 point:1 student.

Problems in Physics of KöMaL, February 2015