7A50.40 Vibrating Circular Wire
Excite a circular wire at audio frequencies with speaker-driver to produce standing waves.
Approximate frequencies: 3 nodes 17.4 hz, 5 nodes 62.2 hz, 7 nodes 132.8 hz, 9 nodes 224.5 hz
Location: Wire and Speaker: E3-3; Signal Generator: Q1-4; Light: D1-3