D+0+12 | Visual charge/discharge of a capacitor through a load. | 2022-02-25 |
D+0+2 | Various capacitors to show. | 2022-02-15 |
D+0+2 | Various capacitors to show. | 2022-02-14 |
F+15+0 | UV light hits charged zinc plate and discharges electroscope. | 2022-04-13 |
B+25+0 | Transverse wave model, hand-cranked. | 2022-03-14 |
E+60+5 | Total internal reflection/critical angle: Nakamura water tank. | 2022-03-18 |
E+10+0 | Single slit diffraction using laser beam through adjustable slit. | 2022-04-11 |
D+0+8 | Series capacitor array. | 2022-02-15 |
D+0+8 | Series capacitor array. | 2022-02-14 |
D+75+1 | Same as above: Secondary used for spot-welding. | 2022-03-28 |
D+55+18 | Resistor analog: Marbles cascading down pin board. | 2022-02-18 |
D+55+0 | Resistance boards: Series, parallel, Wheatstone bridge. | 2022-02-18 |
E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2022-03-30 |
E+40+30 | Reflections from concave and convex mirrors with lighted arrow. | 2022-04-01 |
E+30+15 | Real images: Lighted arrow image and various lenses. | 2022-04-01 |
E+40+10 | Phantom lightbulb: Image in a plane mirror. | 2022-03-28 |
D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2022-02-15 |
D+0+10 | Parallel capacitors array: A charged capacitor charges the others. | 2022-02-14 |
E+30+65 | Model of the eye, with near/far sight lenses, using arc lamp. | 2022-04-06 |
D+30+14 | Magnetic field around a solenoid with pivoting probe magnet. | 2022-03-04 |
B+25+5 | Longitudinal wave model, hand-cranked. | 2022-03-14 |
F+15+5 | Light through different filters into phototube changes current. | 2022-04-13 |
D+15+24 | Levitator: Aluminum dish floats four inches off platform. | 2022-03-14 |
E+25+15 | Laser beam through various slit and grating combinations. | 2022-04-08 |
E+25+0 | Large wood model of a double slit with hinged waves. | 2022-04-08 |
D+15+20 | Jumping rings: High current AC coil causes rings to jump. | 2022-03-14 |
D+30+10 | Iron filings around a high current vertical wire on OHP to show field. | 2022-03-04 |
D+30+12 | Iron filings around a current carrying coil on OHP to show field. | 2022-03-04 |
D+55+4 | High current melts the fuse wire. | 2022-02-18 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2022-02-28 |
D+30+18 | Force on a current carrying wire in a magnetic field. | 2022-03-02 |
D+0+28 | Energy storage in a commercial capacitor. Loud bang! | 2022-02-16 |
D+15+2 | Elementary generator: Bar moved in magnetic field. | 2022-03-11 |
D+30+26 | E/M tube: Circular bending of an electron beam in a magnetic field. | 2022-03-02 |
D+0+14 | Computer demo: Charge/discharge of a capacitor, runs at least 1 min. | 2022-02-25 |
E+30+55 | Compound microscope is assembled from lenses. | 2022-04-06 |
D+30+8 | Compass needle shows field around a high current wire on bench top. | 2022-02-28 |
E+45+25 | Commercial Polaroid filters on an OHP. | 2022-03-28 |
D+10+12 | Charge resides on the outside of a conductor. | 2022-02-02 |
D+15+0 | Bar magnet induces current in a coil, shown on galvanometer. | 2022-03-07 |
E+30+45 | Astronomical telescope: Using objective and eyepiece lenses. | 2022-04-04 |
E+40+0 | Arc lamp and mirror on large disk rotate showing beam angles. | 2022-03-16 |
E+40+0 | Arc lamp and mirror on large disk rotate showing beam angles. | 2022-03-18 |
D+30+16 | Ampere's law: Currents in parallel wires attract or repel. | 2022-03-02 |
D+15+8 | Alternator: Coil with AC commutator rotates between magnets. | 2022-03-09 |
E+10+10 | Airy's disk: Pinhole diffraction using laser beam. | 2022-04-11 |