Physics equipment
Coulomb's Law Apparatus
Accurately measures charge, force and distance between two conductive spheres.
Specifications
- Brand
- PASCO · ES-9070
- Torsion Balance Assembly
- 38 mm dia. conductive sphere on 12 cm rod with counterbalance vane
- Torsion Balance Wire
- equals 10-6 Newtons/degree
- Torsion Balance Degree Plate
- 1° increments
- Torsion Balance Magnetic Damping
- dampens oscillations for quick measurements
- Linear Track Sphere
- 38 mm dia. conductive sphere
- Linear Track Range of Movement
- 350 mm in 1 mm increments
- Linear Track Material
- phenolic (to minimize mirror charges)
- Charging Probe
- 17 cm long plus 1.5 m cable; banana plug connector; 200 μΩ internal resistance
- Calibration Masses
- 50 mg (1), 20 mg (2)
- Conductive Sphere on Insulating Thread
- for reducing charge by fixed ratios
- Spare Torsion Wire
- 3 m
- Shipping Size
- 28 x 38 x 61 cm (11 x 15 x 24 in.)
- Shipping Weight
- 9.5 kg, 21 lbs
On request
Variants & pricing
Coulomb's Law Apparatus
ES-9070On request