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

and field strength

delivering wheel-driven power to a lamp or a Newton color disc

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

003 mm accuracy at 10 mm

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.