US$ 593.13
1100-turn copper coil on a bobbin sized for a double C-core
Single open-or-closed switch on a 4mm-terminal base
this demonstration electroscope detects and visually quantifies the magnitude of static charges
and an activity guide for introducing circuit construction
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.
US$ 593.13
US$ 69.99
US$ 166.47
US$ 201.15
US$ 201.13
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US$ 256.71
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US$ 10.99