US$ 54.41
and color-mixing activities
copper to 30 SWG
Used to keep the slide-wire wiper out of student reach during high-voltage work
sized small enough for individual worktables during vector-addition work
knife switches
Ring Thrower with 2 Aluminum Rings for Eddy Current Study Subcategory_Globes and color-mixing activitiesDemonstrates Lenz's law and induced eddy currents by launching a solid aluminum ring upward from an energized electromagnet while a slit ring stays put on the coil.