Simple Electromagnetic Demonstration Motor Subcategory_Lab Burner Accessories the wider-range Wheatstone-bridge reference

the wider-range Wheatstone-bridge reference

the smaller-tube counterpart to the 300x44mm standard rheostats with the same constantan-winding construction

sized for whole-class visibility of momentum-and-energy conservation through pendulum collisions

Polystyrene electrolyzer with a transparent cone-shaped cup over a banana-socket base

Simple Electromagnetic Demonstration Motor Subcategory_Lab Burner Accessories the wider-range Wheatstone-bridge referenceOpen frame demo motor with two opposing coils on a spinning axle and 4mm banana inputs, exposing the moving parts so students see directly how a DC current drives a rotating magnetic field.