Measuring the force between a charged sphere and a metal plate - Measuring with the force sensor

VP3.1.4.3
Measuring the force between a charged sphere and a metal plate - Measuring with the force sensor
Measuring the force between a charged sphere and a metal plate - Measuring with the force sensor

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Description

The experiment P3.1.4.3 consists of a practical investigation of the principle of the image charge. Here, the attractive force acting on a charged sphere in front of a metal plate is measured. This force is equivalent to the force of an equal, opposite charge at twice the distance 2d. Thus, it is described by the formula

First, the force for a given charge Q is measured as a function of the distance d. The measurement is then repeated with half the charge. The aim of the evaluation is to confirm the proportionalities

Components of equipment sets

1 51637  8  Electrostatics with current balance, accessories LD
1 51631  8  Vertically adjustable stand LD
1 524005W2 Mobile-CASSY 2 WiFi LD
1 524060  8  Force sensor S, ±1N LD
1 314265  4  Support for conductor loops LD
1 54100  4  Friction rods, PVC and acrylic LD
1 54122  4  Leather cloth LD
1 30002  4  Stand base, V-shaped, small LD
1 30042  4  Stand rod, 47 cm, 12 mm diam. LD
1 30101  4  Leybold multiclamp LD
1 500440  4  Connecting lead, 19 A, 100 cm, yellow/green LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P3.1.4.3 Measuring the force between a charged sphere and a metal plate
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