Electrostatics – Plate Capacitor

Determine the capacitance of a plate capacitor.

• Includes all major components
• Large capacitor plate

In the experiment the capacitance C of a plate capacitor is measured as a function of the plate spacing d with the greatest possible accuracy. This experiment uses a plate capacitor with a plate radius of 13 cm and a plate spacing, which can be continuously varied between 0 and 70 mm. The aim of the evaluation is to plot the measured values in the form C = f(1/d) and compare them with the values to be expected according to theory.

Parallel plate capacitor
Tube power supply 0 to 500 V
Two-way switch
I Measuring amplifier D
Multimeter LDanalog 20
Multimeter LDanalog 30
Measuring resistor 100 MOhm
Connecting lead 19 A, 50 cm, red
Connecting lead 19 A, 50 cm, red/blue, pair (3)
Connecting lead 19 A, 100 cm, red/blue, pair