Mathematical and Physical Journal
for High Schools
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# Problem G. 656. (December 2018)

G. 656. An old hair dryer has two switches. If the first switch is turned on then the hair dryer blows cold air. When the second switch is also turned on, then hot air is blown. When only the second switch is on, then neither the fan, nor the heating element are working. Draw a circuit diagram of the hair dryer.

(4 pont)

Deadline expired on January 10, 2019.

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

Megoldás.

### Statistics:

 71 students sent a solution. 4 points: Bánáti Tamás, Bányai Kristóf, Bognár 171 András Károly, Buzási-Temesi Imre, Csapó Tamás, Dózsa Levente, Farkas Artúr, Ferjancsik Zaránd, Fincur Ádám, Hamar János, Horváth Domonkos, Hruby Lili, Jakó Attila György, Juhász Márk Hunor, Kis-Bogdán Kolos, Koczkás József Dániel, Koleszár Benedek, Kovács Ádám Martin, Láng Erik, Malatinszki Hanna, Markó Péter , Meshkat Alam, Mészáros Emma, Mócza Tamás István, Nádor Benedek, Nagy Bianka , Nagy Zalán, Osváth Klára, Pálfi Fruzsina Karina, Papp Viktória, Patricia Janecsko, Reich Melinda, Sebestyén Pál Botond, Somlán Gellért, Stein Felix, Števko Daniel, Szántó Barnabás, Szőllősi Gergely, Takács Dóra, Tallósy Péter, Thierry Armand, Török 517 Mihály, Tüske Milán, Vida Sára, Virág Levente, Zsigmond Botond. 3 points: 12 students. 2 points: 8 students. 1 point: 1 student. 0 point: 1 student. Not shown because of missing birth date or parental permission: 3 solutions.

Problems in Physics of KöMaL, December 2018