Speaker magnet assembly, speaker coil/cone assembly, 6 volt battery

Code Number: 5H40.37

Demo Title: Take Apart Speaker

Condition: Excellent

Principle: Forces on Current Carrying Wires

Area of Study: Electricity & Magnetism

Equipment:

Speaker magnet assembly, speaker coil/cone assembly, 6 volt battery.

Procedure:

NOTE: A Second unit of this is located in the 3E20.XX speaker section.

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.

References:

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.

5H40.37 - Take Apart Speaker

Disclaimer

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