Measuring the current in a coil when switching DC on and off

VP3.6.2.1
Measuring the current in a coil when switching DC on and off
Measuring the current in a coil when switching DC on and off

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Description

In the experiment P3.6.2.1, 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 coil voltage or coil current is displayed on oscilloscope channel II. The aim of the experiment is to determine the time constant

for different inductances L from the exponential curve of the coil voltage UL.

Components of equipment sets

1 57681  4  Plug-in board safety socket, 20/10 LD
2 59084  8  Coil 1000 turns STE 2/50 LD
1 57719  4  Resistor, 1 Ω, STE 2/19 LD
1 57720  4  Resistor, 10 Ω, STE 2/19 LD
1 57724  4  Resistor, 22 Ω, STE 2/19 LD
1 57728  4  Resistor 47 Ohm, STE 2/19 LD
1 50148  4  Bridging plugs STE 2/19, set of 10 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 experiment cable, 100 cm, red LD
1 500642  4  Safety experiment cable, 100 cm, blue LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P3.6.2.1 Measuring the current in a coil when switching DC on and off
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