US$ 16.99
the medium-strength option for classroom investigations into magnetic poles and field-line geometry
Truncated-cone stainless-steel coil 18cm long with brass wire windings and a 9-9
Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements
demonstrating plaque removal during dental hygiene lessons
Small Air-Core Solenoid Subcategory_Kinematics the medium-strength option for classroomTightly wound 700 turn copper coil on a small air core former, rated 1. 6A continuous and 5A intermittent for short duration high field induction and Lenz law investigations.
US$ 16.99
US$ 422.50
US$ 14.99
US$ 25.00