Explores the
practical application of electromagnetic principles to assemblies
of a switching relay and lifting of weights after experiments
that illustrate solenoid action. In additional experiments, the
principles of magnetic repulsion and the heating effect of an
electric current using a simple lamp circuit are also
investigated. Schematic diagrams included. The total number of
experiments is 5.
Uses two "D"
batteries.
Note: Batteries are not provided with the kits
