D+0+12 | Visual charge/discharge of a capacitor through a load. | 2024-10-30 |
D+10+20 | Van de Graaff generator. | 2024-09-23 |
D+30+24 | Vacuum tube with screen shows cathode rays bent with a magnet. | 2024-11-01 |
D+30+22 | Torque on coil suspended between two magnets. | 2024-11-06 |
D+0+8 | Series capacitor array. | 2024-10-16 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2024-09-13 |
A+60+37 | Rotation about the center of mass: Object to throw. | 2024-09-16 |
C+70+15 | Ring and ball: Ball fits through ring only after ring is heated. | 2024-08-28 |
C+70+15 | Ring and ball: Ball fits through ring only after ring is heated. | 2024-08-30 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2024-10-21 |
D+55+6 | Resistance thermometer: Iron coil in liquid Nitrogen and flame varies current. | 2024-10-23 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2024-10-25 |
D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2024-10-16 |
C+55+10 | Mechanical model of a gas: Vibrating balls strike piston on OHP. | 2024-09-04 |
D+35+2 | Making a magnet by electromagnetic induction. | 2024-11-15 |
D+35+2 | Making a magnet by electromagnetic induction. | 2024-11-18 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2024-11-13 |
D+20+2 | LR time constant: Square wave drives series LR on oscilloscope. | 2024-12-02 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2024-11-15 |
D+35+12 | Linear motor: An iron core jumps into a solenoid. | 2024-11-18 |
C+65+2 | Light the Match. | 2024-09-09 |
C+65+2 | Light the Match. | 2024-09-10 |
C+65+2 | Light the Match. | 2024-09-11 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2024-12-02 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2024-12-02 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2024-11-08 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2024-11-13 |
D+30+6 | Iron filings and permanent magnets to show field on an OHP. | 2024-11-01 |
C+20+15 | Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling. | 2024-09-09 |
C+20+0 | Heat water in "O" shaped tube adding a dye. | 2024-09-09 |
D+30+28 | Hall effect: Magnetic field induces a voltage in a neon plasma. | 2024-11-04 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2024-11-06 |
C+70+55 | Fire syringe: paper is ignited in a cylinder with a piston. | 2024-09-16 |
D+20+0 | Energy stored in large coil with soft iron core flashes bulb. | 2024-11-25 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2024-10-16 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2024-10-18 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2024-11-20 |
D+10+24 | Electrostatic pinwheel:Van de Graaff makes pinwheel spin. | 2024-09-23 |
D+15+26 | Eddy currents:Small magnet slowly drops between aluminum rails. | 2024-11-22 |
D+30+4 | Earth model with internal magnet and pivoting probe magnet. | 2024-11-01 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2024-11-04 |
C+70+47 | Dippy bird: Large glass bird containing ether oscillates. | 2024-09-06 |
C+15+0 | Copper/wood cylinder wrapped with paper over bunsen burner. | 2024-09-09 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2024-11-08 |
C+70+60 | CO2 fire extinguisher: Expanding gas freezes into snow. | 2024-09-16 |
D+10+14 | Charging an electroscope by induction. | 2024-09-23 |
D+10+12 | Charge resides on the outside of a conductor. | 2024-09-27 |
D+0+6 | Capacitor doorbell driven by Van de Graaff generator. | 2024-09-23 |
C+55+15 | Brownian motion: Smoke particles viewed using TV camera. | 2024-09-04 |
D+10+8 | Braun and Leaf electroscopes. | 2024-09-23 |
C+50+5 | Black balls and white balls in a box are shaken. | 2024-09-16 |
C+50+5 | Black balls and white balls in a box are shaken. | 2024-09-18 |
C+70+35 | Bimetallic strip: Brass/invar strip curves when heated. | 2024-08-28 |
C+70+35 | Bimetallic strip: Brass/invar strip curves when heated. | 2024-08-30 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2024-11-18 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2024-11-25 |
C+40+0 | Ball race: Five different balls heated and placed on paraffin sheet. | 2024-09-06 |
D+10+6 | Attraction and repulsion of charged styrofoam balls. | 2024-09-23 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2024-11-08 |
D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2024-11-20 |
D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2024-11-22 |