5H10  Magnetic Fields
            .15 Dip Needle
            .20 Oersted's Needle
            .30 Magnetic Fields Around Bar Magnets
            .61 Magnetic Shielding
5H15  Fields and Currents
            .10 Magnetic Fields Around Currents
            .13 Right Hand Rule
            .15 Biot-Savart Law
5H20  Forces on Magnets
            .10 Magnetic Attraction/Repulsion
5H25  Magnet/Electromagnet Interaction
            .10 Solenoid Bar Magnet
5H30  Force on Moving Charges
            .15 Deflected Electron Beam
            .25 Fine Beam Tube
            .55 Ion Motor
5H40  Force on Current in Wires
            .20 Pinch Wires
            .23 AC/DC Magnetic Contrast
            .35 Jumping Wire
            .50 Barlow's Wheel
            .70 Ampere's Frame
5H50  Torque on Coils
            .10 D'Arsonval Meter