Resistance of Coil in LN2

PIRA 5D20.10

Image:

Photo of Demo

Description:

A small panel of flashlight bulbs in series with a copper coil will brighten when the coil is placed in liquid nitrogen.  This is due to the coil's resistance being lowered, hence the circuit's voltage drop is less.

Recipe and
Location:

Coil
Tongs
Light Bulb Panel
Power Supply
Leads
LN2
Dewar

Section E
Section A
Section E
Section A
Wall outside 107

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