DC Motor Generator Activity Model Item Type_Bug Viewer deflecting a pivoting cobalt-steel compass

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Demonstrates Hooke's Law

and a second copper) for side-by-side comparison of conductivity and resistance

Single-cell iron-clad electromagnet on one C battery with integrated hooks for lifting demonstrations

Standard rheostat with oxidized constantan winding on a vitreous-enameled steel tube and a heavy-duty sliding contact

DC Motor Generator Activity Model Item Type_Bug Viewer deflecting a pivoting cobalt-steel compassOpen base DC motor generator activity model with a 2 pole enameled copper armature, removable bar magnet, disc commutator, and 4mm sockets, running on 1. 5 3V DC for hands on motor action work.