LN2 Cooled Copper Plate and Magnet

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PIRA Classification: 5K20.24

Description: A 1" thick copper plate is cooled to 77 K. Strong eddy currents are produced when a large NdFeB magnet is brought near.

Special Instructions: This requires 20 minutes to pre-cool. Once cooled, it should be good for the entire hour. A small dewar of nitrogen will be available if additional cooling is needed.

Ideally For: Phys 1102, 1202, 1302, 1402

Condition: Good

Setup time: 20 minutes

Safety Issues: Everything is cold!