Charging and discharging a capacitor when switching DC on and off

VP3.6.1.1
Charging and discharging a capacitor when switching DC on and off
Charging and discharging a capacitor when switching DC on and off

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Description

In the experiment P3.6.1.1, the function generator generates periodic square-wave signals which simulate switching a DC voltage on and off. The square-wave signals are displayed on channel I of the oscilloscope, and the capacitor voltage or capacitor current is displayed on oscilloscope channel II.  The aim of the experiment is to determine the time constant

for various capacitances C from the exponential curve of the respective charging or discharge current IC.

Components of equipment sets

1 57681  4  Plug-in board safety socket, 20/10 LD
3 57815  4  Capacitor, 1 µF, STE 2/19 LD
1 57740  4  Resistor 470 Ohm, STE 2/19 LD
1 57744  4  Resistor 1 kOhm, STE 2/19 LD
1 57748  4  Resistor, 2.2 kΩ, STE 2/19 LD
1 522621  4  Function generator S 12 LD
1 575302 Oscilloscope 30 MHz, digital, PT1265 LD
2 57524  4  Screened cable, BNC/4 mm Plug LD
1 500641  8  Safety connecting lead, 100 cm, red LD
1 500642  4  Safety connecting lead, 100 cm, blue LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P3.6.1.1 Charging and discharging a capacitor when switching DC on and off
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