A small electrically charged ball is positioned at a certain distance in front of a metal plate lying at earth potential. The surface charge on the plate due to electrostatic induction together with the charged ball forms an electricfield analogous to that which exists between two oppositely charged point charges. The electrostatic force acting on the ball can be measured with a sensitive torsion dynamometer.
| Materiallist (Excerpt) |
Product |
Amount |
|
DC measuring amplifier
|
13620-93
|
1
|
|
Power supply, high voltage, 0-25 kV
|
13671-93
|
1
|
|
Torsion dynamometer, 0.01 N
|
02416-00
|
1
|
|
Plate capacitor, 283x283 mm
|
06233-02
|
4
|
|
Conductor spheres, w. suspension
|
02416-01
|
2
|
|
Digital multimeter 2010
|
07128-00
|
1
|
|
Holder for U-magnet
|
06509-00
|
4
|
|
Conductor ball, d 40mm
|
06237-00
|
2
|
|
Insulating stem
|
06021-00
|
2
|
|
Barrel base PHYWE
|
02006-55
|
2
|
|
Support rod PHYWE, square, l = 1000 mm
|
02028-55
|
1
|
|
Connecting cord, 30 kV, 1000 mm
|
07367-00
|
1
|
|
Screened cable, BNC, l 1500 mm
|
07542-12
|
1
|
|
Right angle clamp PHYWE
|
02040-55
|
1
|
|
Adaptor, BNC socket/4 mm plug
|
07542-20
|
1
|
|
Connecting cord, 32 A, 1000 mm, green-yellow
|
07363-15
|
2
|
|
Measuring tape, l = 2 m
|
09936-00
|
1
|
|
Connecting cord, 32 A, 750 mm, red
|
07362-01
|
1
|
|
Connecting cord, 32 A, 750 mm, blue
|
07362-04
|
1
|
|
Connecting cord, 32 A, 250mm, green-yellow
|
07360-15
|
1
|
|
Laboratory Experiments Physics, Chemistry, Biology andApplied Sciences, CD-ROM, incl. operating manuals
|
16502-42
|
1
|
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