D+50+0 | The Braun tube with magnetic and electrostatic deflection. | 2016-03-03 |
D+75+1 | Same as above: Secondary used for spot-welding. | 2016-04-21 |
C+70+15 | Ring and ball: Ball fits through ring only after ring is heated. | 2016-01-19 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2016-03-15 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2016-03-17 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2016-03-10 |
D+0+4 | Parallel plate capacitor with dielectric materials and electroscope. | 2016-03-08 |
D+15+1 | Oscillating magnets in coupled coils | 2016-04-14 |
C+35+0 | Mechanical equivalent of heat: Aluminum cylinder, crank, rope with 5 kg weight and large LED display. | 2016-01-28 |
D+35+2 | Making a magnet by electromagnetic induction. | 2016-04-12 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2016-04-07 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2016-04-12 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2016-04-19 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2016-04-19 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2016-04-21 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2016-04-05 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2016-03-29 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2016-04-07 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2016-03-29 |
D+55+4 | High current melts the fuse wire. | 2016-03-17 |
C+80+2 | Freezing liquid Nitrogen. | 2016-01-26 |
C+22+0 | Engine models: Steam, 4-cycle Otto. | 2016-02-04 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2016-03-10 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2016-04-14 |
D+30+4 | Earth model with internal magnet and pivoting probe magnet. | 2016-03-29 |
D+15+16 | Damped pendulum: Swinging metal disks damped in magnetic field. | 2016-04-19 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2016-02-02 |
D+0+14 | Computer demo: Charge/discharge of a capacitor, runs at least 1 min. | 2016-03-17 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2016-03-29 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2016-02-11 |
C+55+15 | Brownian motion: Smoke particles viewed using TV camera. | 2016-01-21 |
C+70+40 | Bimetallic switch: Change in temperature lights cold/hot lamps. | 2016-01-19 |
C+70+35 | Bimetallic strip: Brass/invar strip curves when heated. | 2016-01-19 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2016-04-14 |
D+0+0 | Attraction between horizontal plates of a charged capacitor. | 2016-03-08 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2016-02-11 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2016-04-05 |