5H40.37 - Take Apart Speaker
Take the two assembly parts from the dissected speaker and place the coil /cone part into the magnet assembly. Connect one lead of the coil to a 6 volt battery. As you tap the other lead to the battery, you can make the coil move or even jump completely out of the magnet.
- Grant Mellor, "The Juice-Can Speaker", Flying Tinsel, 1993, p. 110-112.
- Rudolf F. Graf, "The Coil Moves", Safe and Simple Electrical Experiments, p. 96.
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