College of Liberal Arts & Sciences
5E40.61 - Arcing of Two Electrodes
Connect as shown using the large block as one electrode and the metal rods as the other electrode. Scratch the rods across the surface of the block. Note the color of the sparks of each different rod. These colors are characteristic of the ions released by the different metals.
- B-445: "Weld Nails," DICK and RAE Physics Demo Notebook.
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