| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 5C20.00 | Dielectric | | |
| 5C20.10 | capacitor with dielectrics | PIRA 200 | Insert and remove a dielectric from a charged parallel plate capacitor while it is attached to an electroscope. |
| 5C20.10 | capacitor with dielectrics | 5C20.10 | Insert and remove a dielectric from a charged parallel plate capacitor while attached to an electroscope. |
| 5C20.10 | dielectrics | Ed-2 | The voltage is measured with an electroscope as dielectrics are inserted between parallel plates of a charged capacitor. |
| 5C20.10 | capacitor with dielectrics | E-70 | Various dielectrics are inserted between two charged metal plates to show the difference in deflection on an electroscope. |
| 5C20.10 | parallel plate capacitor dielectrics | Disc 18-20 | Charge a parallel plate capacitor with a rod, insert dielectrics and observe the electroscope. Animation. |
| 5C20.11 | capacitor with dielectrics | 29-4.1 | Six demonstrations with a parallel plate capacitor and dielectrics. |
| 5C20.12 | equation Q=CV | E-4b | The bottom of
a parallel plate capacitor is mounted on an electroscope, charge the top
plate, touch the bottom, lift off the top. |
| 5C20.13 | C-V relationships | E-4c | An automated device to charge a capacitor and separate the plates. Reference: AJP 22(3),146. |
| 5C20.14 | intervening medium | E-40 | Bring a charged rod close to an electroscope and interpose various materials between the two. |
| 5C20.17 | helium dielectric | PIRA 1000 | |
| 5C20.17 | helium dielectric | 5C20.17 | Helium is blown into a charged parallel plate capacitor. |
| 5C20.20 | force on a dielectric | PIRA 1000 | |
| 5C20.20 | force on a dielectric | Disc 18-24 | A
counterbalanced acrylic dielectric is pulled down between parallel plates
when they are charged with a small Wimshurst generator. |
| 5C20.21 | force on a dielectric - glass plate | AJP 59(8),763 | A microscope slide is pulled into the gap between parallel plates of a capacitor. |
| 5C20.22 | force on a dielectric | 29-4.14 | A elongated
paraffin ellipsoid in a parallel plate capacitor turns when the field is
turned on, kerosene climbs between parallel plates. |
| 5C20.25 | attraction of charged plates | PIRA 1000 | |
| 5C20.25 | attraction of charged plates | 29-4.12 | A brass plate fitted with an insulating handle can lift a lithographic stone plate when 300 V dc is applied. |
| 5C20.26 | attraction of charged plates | 29-4.13 | The
top plate of a parallel plate capacitor is mounted on a triple beam balance
so the force can be measured with and without dielectrics as the voltage
is varied. Pictures, Construction details in appendix, p.1322. |
| 5C20.27 | attraction of charged plates | AJP 43(10),924 | The
permittivity of free space is measured using a Mettler balance to determine
the force between the plates of a parallel plate capacitor. |
| 5C20.30 | dissectible condenser | PIRA 200 | A capacitor is charged, disassembled, passed around, assembled, and discharged with a spark. |
| 5C20.30 | dissectible condenser | 5C20.30 | Same as Ed-3. |
| 5C20.30 | dissectible condenser | Ed-3 | A capacitor is charged, disassembled, passed around, assembled, and discharged with a spark. |
| 5C20.30 | dissectible condenser | E-64 | The inner
and outer conductors of a charged Leyden jar are removed and brought into
contact, then reassembled and discharged in the usual manner. |
| 5C20.30 | dissectible capacitor | Disc 18-25 | Charge
a capacitor and show the discharge, then charge again and take it apart.
Handle it, try to discharge it, reassemble it, and discharge it. |
| 5C20.35 | bound charge | PIRA 1000 | |
| 5C20.35 | bound charge | 5C20.35 | |
| 5C20.35 | bound charge | E-65 | The two coatings
of a Leyden jar can be grounded successively without much loss of charge.
When the two coatings are connected, there is a discharge. |
| 5C20.40 | impedance of a dielectric | 29-4.8 | Place
a small parallel plate capacitor in series with a phonograph pickup. Insert
different dielectrics. High dielectrics have low impedance. |
| 5C20.50 | breath figures | Ed-4 | Blow on a glass plate that has been polarized with the image of a coin. |
| 5C20.51 | Lichtenberg figures | E-66 | A pattern
is traced on a dielectric from the two polarities of a charged Leyden jar.
Litharge and flowers of sulfur sprinkled on adhere to the areas traced out
with the different polarities. |
| 5C20.60 | displacement current | PIRA 1000 | |
| 5C20.60 | displacement current | AJP 42(3),246 | A
toroidal coil is either placed around a wire leading to a large pair of capacitor
plates to demonstrate Ampere's law or inserted between the capacitor plates
to demonstrate displacement current. |
| 5C20.61 | displacement current | AJP 32(12),916 | Measure the displacement current in a barium titanate capacitor. |
| 5C20.61 | displacement current comment comment | AJP 33(6),512 | More semantics. |
| 5C20.61 | displacement current comment | AJP 33(6),512 | The experiment in AJP 32,916,(1964) has nothing to do with displacement current in Maxwell's sense. |
| 5C20.61 | displacement current | 33-4.1 | Measure the displacement current in a barium titanate capacitor. Diagrams, Derivation. |