Retentivity
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PIRA Classification: 5G20.75
Description: An electromagnet consisting of 25 turns of wire and a
dry cell is energized. A mass is hung from the magnet. The battery is
then removed. The mass will continue to hang.
Special Instructions: None
Ideally For: Phys 1102, 1202, 1302
Condition: Good
Setup time: 1 minute
Safety Issues: None