High-Inductance Coil Lab Supplies_Scoops & Spatulas retaining magnetic strength through repeated

retaining magnetic strength through repeated handling and storage cycles

heavy duty

and Lucite dielectrics for studies of capacitance

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

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

High-Inductance Coil Lab Supplies_Scoops & Spatulas retaining magnetic strength through repeated1100 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.