Description
1100-turn copper coil on a bobbin sized for a double C-core
iron filings
sized for student work spanning single-cell and small-battery-stack voltages
Polystyrene electrolyzer with a transparent cone-shaped cup over a banana-socket base
Resistance Unit, Classroom Grade archive-pending 1100-turn copper coil on aFive ohm metal film resistance unit at plus or minus 1% accuracy with a 1. 6V maximum rating, the standard low end Ohm's law value used in current limiting and voltage divider work.
Exchange/Return Notes
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