Connecting Lead with 4mm Plug, Black, Model E Material_Polypropylene and mechanical-advantage experiments (stand base

and mechanical-advantage experiments (stand base and support clamp sold separately)

sized so that students can compare its uniform-curvature surface charge against sphere and cone partners in the conductor set

Used to read the microampere-scale currents found in photodiode and transistor-bias circuits

Economy 25 by 5mm ceramic disc magnet

replacing the dry-cell stack on student-circuit benches

Connecting Lead with 4mm Plug, Black, Model E Material_Polypropylene and mechanical-advantage experiments (stand baseLong 1000mm black insulated lead with crocodile clips at both ends, sized for the longest reach in the patch wire family for cross bench wiring of complex student circuits.