Experiment of December 6, 2024:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

What does she observe in the frequency spectrum?

A) Most devices show peaks at 25 Hz, 50 Hz or 100 Hz.

B) Most devices show peaks at 15 Hz, 30 Hz or 60 Hz.

C) Most devices show peaks between 5 Hz and 20 Hz.

D) Most devices show a peak at 0Hz.