All Questions
3
questions
14
votes
10
answers
8k
views
Why does a capacitor act as a frequency filter?
What is it about a capacitor which allows it to filter frequencies?
I understand the construction of a high-pass RC filter, and the mathematics behind it, but I'm struggling to find an explanation of ...
2
votes
1
answer
1k
views
Larsen effect and pitch of sound
Why Larsen effect produces always high pitched sounds, never low pitched?
36
votes
7
answers
12k
views
Why can't you hear music well over a telephone line?
Why can't you hear music well well over a telephone line?
I was asked this question in an interview for a university study placement and I unfortunately had no idea.
I was given the hint that the ...