Comprising a strong U-shaped magnet and a pair of brass rails with 4 mm socket terminals.
A brass axle with plastic discs is free to roll along the rails and completes the electrical contact between them.
When the axle is placed on the rails between the poles of the magnet, and a power supply unit is connected.
Lab Connection is a leading Force on a Conductor (Demo) manufacturers, suppliers and exporters that offers wide range of Force on a Conductor (Demo) at most competitive prices.