Problem P. 4668. (October 2014)

P. 4668. The cross-sections of wires made of constantan and chrome-nickel are the same 1 mm\(\displaystyle {}^2\). Estimate the temperature to which they warm up in a vacuum tube if a current of 1 A flows through them. (The wires are placed into the tube separately.) The ambient temperature is \(\displaystyle 20 {}^\circ\)C.

(5 pont)

Deadline expired on November 10, 2014.

Statistics:

36 students sent a solution.
5 points:	Asztalos Bogdán, Berta Dénes, Blum Balázs, Bugár 123 Dávid, Büki Máté, Csathó Botond, Csurgai-Horváth Bálint, Fekete Panna, Forrai Botond, Holczer András, Hornyák Szabolcs, Kaposvári Péter, Kovács Péter Tamás, Lőrincz Zoltán, Marosvári Kristóf, Németh Flóra Boróka, Orosz Bálint, Rózsa Tibor, Sal Kristóf, Südi István, Szántó Benedek, Tihanyi Áron.
4 points:	Balogh Menyhért, Farkas 96 Vajk, Jeges Viktor, Öreg Botond, Páhoki Tamás, Szentivánszki Soma .
3 points:	3 students.
1 point:	4 students.
0 point:	1 student.

Problems in Physics of KöMaL, October 2014