IYPT 2003, Задачи на турнира — Задача 10. Tungsten lamp

16th IYPT (2003)

Заглавие в източника

Source: Problems for the 16th IYPT (fyrisskolan.uppsala.se, Oct. 6, 2002)
Selected at the Preparatory Seminar at Wik Castle on Oct. 4—6, 2002
Exemplary solutions for 2003 →

Условие

The resistance of the tungsten filament in a light bulb shows a strong temperature dependence. Build and demonstrate a device based on this characteristic.

Решение

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Оригинал в Архива: 2003.txt