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Description: A variac is attached to a length of Nickel wire with sudden death leads. Turn up the variac until the wire heats up and it will sag. Pictured are three corks hanging from the wire to better see it sag.
Hazards: This wire can become very hot and break. If you see it start to glow, it will break. Make sure nothing flammable is below the wire. Also keep hands and arms from below the wire while demonstrating.
Setup Time: 10 min
Quant. in Demo Room: 1
Source: Central Scientific
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