IYPT 2013, Задачи на турнира — Задача 9. Carbon microphone

Problems for the 26th IYPT 2013

Епиграф

There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy
Shakespeare

Условие

For many years, a design of microphone has involved the use of carbon granules. Varying pressure on the granules produced by incident sound waves produces an electrical output signal. Investigate the components of such a device and determine its characteristics.

Решение

Внимание: Непълно решение

Това е открита изследователска задача — официални решения не се публикуват.

Оригинал в Архива: 2013.pdf