D+35+14 | YBaCuO pellet with magnet in liquid nitrogen on TV camera. | 2018-04-27 |
D+0+12 | Visual charge/discharge of a capacitor through a load. | 2018-03-16 |
D+10+20 | Van de Graaff generator. | 2018-02-21 |
D+10+2 | Transparency: Mapping of an electric field. | 2018-02-14 |
D+30+22 | Torque on coil suspended between two magnets. | 2018-03-21 |
D+30+22 | Torque on coil suspended between two magnets. | 2018-03-23 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2018-03-12 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2018-03-09 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2018-01-26 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2018-04-04 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2018-04-16 |
D+5+34 | LEDs oscillate in stored energy LC circuit. | 2018-04-25 |
D+55+10 | Large tungsten filament lamp; as it heats, current drops. | 2018-03-14 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2018-04-13 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2018-04-02 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2018-04-02 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2018-04-04 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2018-04-06 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2018-04-02 |
D+5+4 | High frequency filtering using a capacitor and inductor. | 2018-04-27 |
D+55+4 | High current melts the fuse wire. | 2018-03-14 |
C+70+22 | Heating a rubber band: negative coefficient of thermal expansion | 2018-01-17 |
C+70+6 | Heated horizontal nichrome wire stretches, weight sags. | 2018-01-17 |
C+20+0 | Heat water in "O" shaped tube adding a dye. | 2018-01-29 |
D+15+10 | Hand-cranked AC alternator powers 120 volt lamp. | 2018-04-13 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2018-03-23 |
C+70+0 | Galileo's air thermometer forces liquid down when heated. | 2018-01-17 |
C+80+2 | Freezing liquid Nitrogen. | 2018-01-22 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2018-03-19 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2018-02-02 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2018-04-20 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2018-03-07 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2018-04-11 |
D+10+0 | Electric fields: Lines of force shown on an OHP. | 2018-02-12 |
D+55+8 | Effect of temperature on current in carbon or tungsten filaments. | 2018-03-12 |
D+15+28 | Eddy currents: Neodymium Magnet Drop. | 2018-04-13 |
D+15+4 | Earth inductor: Coil spun in Earth's field makes voltage. | 2018-04-11 |
D+75+0 | Demountable transformer with many secondary coils from 10:1 to 1:46. | 2018-04-18 |
D+15+30 | Demonstration of dependence of number of coils on induced flux | 2018-04-11 |
D+35+20 | Curie Temperature | 2018-04-27 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2018-01-31 |
C+65+0 | Concave mirrors focus candle flame on thermopile across bench. | 2018-01-29 |
C+45+0 | Computer demo: Heat of fusion of tin. | 2018-01-24 |
C+15+4 | Computer demo: Conductivity (see C+15+3), runs 5 min. | 2018-01-29 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2018-03-19 |
D+10+12 | Charge resides on the outside of a conductor. | 2018-02-21 |
C+10+0 | Carnot cycle models: Piston/cylinder, PVT surface. | 2018-01-31 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2018-03-05 |
C+50+5 | Black balls and white balls in a box are shaken. | 2018-02-02 |
C+50+5 | Black balls and white balls in a box are shaken. | 2018-02-05 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2018-04-09 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2018-03-05 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2018-02-07 |
D+10+75 | Applet: Field and potential produced by point charges | 2018-02-26 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2018-04-04 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2018-04-06 |
D+20+4 | AC dimmer: Soft iron core in coil dims lamps. | 2018-04-23 |