This demonstration displays the relationship between the resistance of a wire to the length of the wire. The system is supplied with a constant current, but as the lightbulb is slid up/down the wires, the resistance will also change, effectively increasing/decreasing the voltage across the lightbulb.
(5F10.20) Voltage Drop Along a Wire
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This demonstration displays the relationship between the resistance of a wire to the length of the wire. The system is supplied with a constant current, but as the lightbulb is slid up/down the wires, the resistance will also change, effectively increasing/decreasing the voltage across the lightbulb.
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