DC Motor Generator Activity Model Item Type_Bug Viewer Standard rheostat with oxidized constantan

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

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

providing the standard mid-reach branching wire for 4mm-socket student bench circuits

Transmitter and receiver pair on PP3 batteries with 5m and 10m polymer fiber coils

DC Motor Generator Activity Model Item Type_Bug Viewer Standard rheostat with oxidized constantanOpen 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.