Resistance Measurements Demonstrator with 4mm Terminals Electricity & Magnetism_Electricity & Circuits and inner components

and inner components

Rectangular casted metal case and polythene insulated lid with finger flap to facilitate removal

restoring UV-C output in the compatible goggle sanitizer cabinet once the original lamp reaches end of service life

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

Round-edged 75 x 12mm Alnico cylindrical pair

Resistance Measurements Demonstrator with 4mm Terminals Electricity & Magnetism_Electricity & Circuits and inner componentsThree 1W resistors of different values on a single base with six 4mm terminals, sized for hands on Ohm's law measurement and series parallel comparison without rewiring between values.