PASCO ES-9070 COULOMB BALANCE User Manual
Page 16

Coulomb Balance
012-03760E
12
mg
mg/q
m
q
0 mg
20 mg
40 mg
50 mg
70 mg
Table 2. Force Calibration
Data and Calculations
Torsion constant = K
tor
B
1 - 4a
3
/R
3
R
q
q
avg
q
corrected
1/R
2
Table 1. Force versus Distance
Data and Calculations
C (Capacitance of Electrometer System) =
V (Electrometer Voltage) =
q (Charge on sphere) = 2CV =
Table 3. The Charge on the Sphere
See also other documents in the category PASCO Equipment:
- UI-5000 850 Universal Interface Quick Start (1 page)
- UI-5000 850 Universal Interface Instruction Manual (24 pages)
- PS-2193 High Current Sensor (2 pages)
- ME-8979 Mass and Hanger Set (1 page)
- ME-9498A Photogate Head (3 pages)
- ME-6821A Photogate Mounting Bracket (2 pages)
- ME-6825A MINI LAUNCHER (39 pages)
- ME-6810 Time of Flight Accessory (24 pages)
- ME-8574 DISCOVER FRICTION ACCESSORY (4 pages)
- PS-2103A Motion Sensor (4 pages)
- PS-2189 High Resolution Force Sensor (2 pages)
- ME-9448B Super Pulley with Clamp (2 pages)
- ME-6955 1.2 m PAScar Dynamics System (27 pages)
- PS-2104 Force Sensor (2 pages)
- ME-8998 Elastic Bumper Kit (2 pages)
- ME-6843 Spring Cart Launcher (9 pages)
- ME-6950 PAScar with Mass (29 pages)
- PS-2120A Rotary Motion Sensor (9 pages)
- PS-2120A Rotary Motion Sensor (17 pages)
- ME-9821 Centripetal Force Pendulum (18 pages)
- ME-8088 Centripetal Force Apparatus (20 pages)
- ME-8735 Large Rod Stand (2 pages)
- CI-6545 Force Accessory Bracket (3 pages)
- ME-9806 Photogate Brackets (1 page)
- CI-6692 IDS MOUNT ACCESSORY (2 pages)
- ME-6569 RMS_IDS KIT (36 pages)
- ME-6829 Mini Launcher Ballistic Pendulum (18 pages)
- ME-9889 Discover Free Fall System (10 pages)
- SE-7256 Motion Sensor Guard (2 pages)
- ME-8973 Discover Collision Bracket (2 pages)
- AP-8214A Stress_Strain Apparatus (12 pages)
- CI-6691 MINI-ROTATIONAL ACCESSORY (2 pages)
- ME-9833 Physical Pendulum Set (30 pages)
- OS-8473 POLARIZER SET (2 pages)
- PS-2343 USB Camera (2 pages)
- AP-8215A Gravitational Torsion Balance (20 pages)
- OS-8526A X-Y ADJUSTABLE DIODE LASER (2 pages)
- Xplorer-GLX Users’ Guide (152 pages)
- PS-2150 Broad Spectrum Light Sensor (2 pages)
- PS-2164 Quad Pressure Sensor (3 pages)
- PS-2200 Load Cell, 100 N (3 pages)
- PS-2205 Dual Load Cell Amplifier (5 pages)
- PS-2107 Absolute Pressure Sensor (2 pages)
- PS-2102 pH Sensor (3 pages)
- PS-2119 Acceleration Sensor (2 pages)