| Code |
Demo Name |
Description |
Reference |
Source |
| While standing on an insulated stool, charge yourself up with a Van de Graaff generator. | PIRA 200 |
PIRA
|
| While standing on an insulated stool, charge yourself up with a Van de Graaff generator. | 5B10.10 |
University of Minnesota Handbook
|
| Stand on an insulated stool and hold on to a terminal of a static machine. Disconnect the condensers. | E-46  |
Sutton
|
| Place a plate with pith ball hanging on strings on an electrostatic generator. Also place a cup filled with styrofoam balls on an electrostatic generator. | Ec-4 |
Freier & Anderson
|
| PIRA 500 |
PIRA
|
| Attach ribbon streamers to the top of a Van de Graaff generator. | 5B10.15 |
University of Minnesota Handbook
|
| A small stand with thin paper strips is placed on an electrostatic generator. | Ec-3 |
Freier & Anderson
|
| Show Van de Graaff with paper streamers, then hair on end. | Disc 17-08 |
The Video Encyclopedia of Physics Demonstrations
|
| Place the electrostatic plume made out of nylon rope near the other terminal of the Wimshurst machine. | AJP 42(2),166 |
American Journal of Physics
|
| Melt rosin in a metal ladle and attach to a static machine. When the machine is cranked and the rosin slowly poured out, jets of rosin follow the electric field. | E-42 |
Sutton
|
| Clip the can to ground and a metal object to be painted to the Van de Graaff generator. Point out that the paint goes around to the back too, and it is thickest on the edges. | AJP 46(4),435 |
American Journal of Physics
|
| Throw a triangle of aluminum foil into the field of a Van der Graaff and it comes to equilibrium mid-air. Give it a half-twist, and it will orbit in a horizontal circle below the sphere. | AJP 32(1),xiv |
American Journal of Physics
|
| Fill an unevacuated bell jar with MgO smoke and they will form three dimensional chain-like agglomerates between electrodes. | AJP 34(11),1034 |
American Journal of Physics
|
| A charged ball on a dry ice puck is launched toward a Van de Graaff generator. The motion is recorded with strobe photography. | 29-1.28 |
Meiners
|
| Confetti (puffed wheat, styrofoam peanuts) flies off the ball of an electrostatic generator. | PIRA 200 - Old |
PIRA
|
| 5B10.25 |
University of Minnesota Handbook
|
| Confetti flies off the ball of an electrostatic generator. | Ec-2 |
Freier & Anderson
|
| PIRA 1000 |
PIRA
|
| A bunch of hanging nylon strings are charged by stroking with cellophane causing repulsion. | 5B10.26 |
University of Minnesota Handbook
|
| Use the piezoelectric pistol to discharge the electrified strings. | Ea-10 |
Freier & Anderson
|
| Charge a mop of insulating strings. | Ea-8 |
Freier & Anderson
|
| Fray the end of a nylon clothesline and charge with an electrostatic machine to show repulsion. | 29-1.18 |
Meiners
|
| PIRA 1000 |
PIRA
|
| A ball bounces between charged metal chimes. | Eb-9 |
Freier & Anderson
|
| Insert a metalized ping-pong ball between two highly charged metal plates. | 29-1.13 |
Meiners
|
| A small metal ball hangs on a thread between two bells attached to an electrostatic machine. | E-39 |
Sutton
|
| Suspend a metal hemisphere, bell, or ball between two parallel plates that are connected to an electrostatic generator. | D&R, E-060 |
Dick and Rae
|
| Conductive ping pong balls bounce between horizontal plates charged with a Wimshurst. | Disc 16-24 |
The Video Encyclopedia of Physics Demonstrations
|
| Franklin's Bells are used to demonstrate and measure charge transport in the laboratory. | AJP 69(1), 50 |
American Journal of Physics
|
| Aluminum powder bounces between two horizontal plates 1 cm apart attached to a static machine. Metalized pith balls bounce between an electrode at the top of a bell jar and the plate. | E-43 |
Sutton
|
| Toss a small foil near the charged sphere (see AJP 32(1),xiv - 5B10.33) and then bring a grounded ball close to show the chime effect. | AJP 45(8),772 |
American Journal of Physics
|
| A fluffy cotton ball travels back and forth between an electrostatic generator and a lighted cigar. | Ec-6 |
Freier & Anderson
|
| PIRA 500 |
PIRA
|
| Bounce a conducting ball hanging between two plates charged with a Wimshurst. | 5B10.35 |
University of Minnesota Handbook
|
| PIRA 500 - Old |
PIRA
|
| PIRA 200 |
PIRA
|
| "Fur" in mineral oil aligns along field lines from charged electrodes. | 5B10.40 |
University of Minnesota Handbook
|
| Charged electrodes are placed in a tank of mineral oil containing velveteen and the pattern is projected on the overhead. | Eb-1 |
Freier & Anderson
|
| Bits of material suspended in oil align with an applied electric field. Several pole arrangements are shown. | 29-2.1 |
Meiners
|
| "Velveteen's" or grass seed in oil will align with the field between electrodes. | D&R, E-065 |
Dick and Rae
|
| A pan on the overhead projector contains particles in a liquid that align with the electric field. | Disc 17-10 |
The Video Encyclopedia of Physics Demonstrations
|
| Fine black fiber clippings in castor oil are used to show electric field between electrodes. | AJP 32(5),388 |
American Journal of Physics
|
| A stream of air bubbles in an oil bath are repelled in the region of an inhomogeneous field. | 29-2.2 |
Meiners
|
| Sprinkle Epson salt on a glass plate with two aluminum electrodes. Tap to align the crystals. | E-44 |
Sutton
|
| An ice filament pattern shows the electrical field configuration. Place a PZT transducer on a block of dry ice. | AJP 39(3),350 |
American Journal of Physics
|
| A liquid whose viscosity is affected by electric fields. In this case a mixture of corn starch in vegetable oil. Let this run out of the bottom of a funnel. Bring a charged rod close to the bottom of the funnel and the flow stops. | TPT 31(4), 218 |
The Physics Teacher
|
| Two pith balls charged oppositely and hanging from a rod are used to map out the field in the region of charged conductors. | E-45 |
Sutton
|
| A method for plotting equipotential lines from electrodes in a pan on water. | 29-3.1 |
Meiners
|
| Charge an electrophorus, then trace a circle on it with your finger and probe the resulting field with a pith ball on a long thread. | AJP 30(1),71 |
American Journal of Physics
|
| Hold an electroscope several feet away from a static machine and observe the electroscope leaves rise and fall as sparking occurs. | E-52 |
Sutton
|
| A small alcohol lamp attached to an electrostatic voltmeter can be used to map potential fields. | E-57 |
Sutton
|
| A wire held in the flame of a candle and attached to a grounded electroscope is held near a Van de Graaff generator. Mount two candles on an insulator and attach the second to the case of the electroscope to measure voltage. | AJP 31(2),xii |
American Journal of Physics
|
| An electrode configuration is painted onto a conducting paper with temperature sensitive encapsulated liquid crystals. Joule heating causes color changes. | AJP 41(12),1314 |
American Journal of Physics
|
| An alternate method (to AJP 41(12),1314) of preparing liquid crystal displays of electric fields. | AJP 42(12),1075 |
American Journal of Physics
|
| The field around a large sphere is measured by separating two brass plates and measuring the charges with a ballistic galvanometer. | 29-2.3 |
Meiners
|
| A point on the end of a 500 Mohm resistor connects to a neon bulb in parallel with a small capacitor. | Ec-7 |
Freier & Anderson
|
| Current carrying conductors are made of transparent conducting ink on glass plates. Sprinkle on grass seeds to demonstrate the electric lines of force inside and outside the conducting elements. | AJP 30(1),19 |
American Journal of Physics
|
| Draw a circuit on glass or mylar with a soft lead scoring pencil. Dust the glass with small fibers while the current is flowing. | AJP 38(6),720 |
American Journal of Physics
|
| A water drop model demonstrates the motion of a stream of charged particles in an electric field. | 29-2.4 |
Meiners
|
| see 8C20.20,1L20.10 |
|
| PIRA 1000 |
PIRA
|
| A sheet of rubber is pushed up and down with dowels to represent positive and negative charges. | E-58 |
Sutton
|
| Roll balls over a 6'x4' frame with a stretched rubber surface, distorting it with dowels to represent charges. | AJP 28(7),644 |
American Journal of Physics
|
| A rubber sheet stretched over a large quilting hoop models electric fields. | 29-5.1 |
Meiners
|
PIRA Bibliography >> ELECTRICITY AND MAGNETISM >> ELECTRIC FIELDS AND POTENTIAL >> Electric Field 64 items
