4answers

[Others] How to distinguish these buzzers?

I got that there are active and passive buzzers. But they look same. How to distinguish these guys?
Ranking Name Answers
1 PCBWay Team 11
2 Jonathan Scher 3
3 Paul Hupman 2
4 Samarth Jiwarajka 1
5 Engineer 1
6 Ibrahim TKR 1