5K10  Induced Currents and Forces
            .15 Wire and Magnet
            .21 10/20/40 Coils with Magnet
            .26 Inductive Coil with Lamp
            .30 Two Coils
            .48 Current-Coupled Pendula
            .60 Earth Coil
            .90 Electromagnetic Can Breaker
5K20  Eddy Currents
            .10 Eddy Current Pendulum
            .25 Eddy Current Tubes
            .26 Faraday Repulsion Coil
            .30 Thompson's Flying Ring
            .42 Arago's Disc
5K30  Transformers
            .20 Transformers
            .30 Vertical Primary and Secondary Coils
5K40  Motors and Generators
            .10 DC Motor
            .15 Faraday Disc
            .40 AC/DC Generator
            .80 Hand Cranked Generator
            .85 Generator Driven by Falling Weight