US$ 105.67
Sliding-top wooden box 5 x 2 x 1 inches with a recess sized for a pair of 100mm (4-inch) bar magnets plus their keeper
and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit
retaining magnetic strength through repeated handling and storage cycles
heavy duty
Coulomb's law
High-Inductance Coil Lab Supplies_Scoops & Spatulas Sliding-top wooden box 5 x1100 turn copper coil on a bobbin sized for a double C core, providing roughly 15 henries of inductance for AC experiments on phase, impedance, and stored magnetic energy.
US$ 105.67
US$ 24.99
US$ 14.99
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