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Determining inductive reactance with a Maxwell measuring bridge /
Determining inductive reactance with a Maxwell measuring bridge

Determining inductive reactance with a Maxwell measuring bridge

VP3.6.4.2

Schematic circuit diagram: Wien measuring bridge (left) - Maxwell measuring bridge (right) (P3.6.4.1-4)

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Description

In the experiment P3.6.4.2, a Maxwell measuring bridge is assembled to determine the inductive reactance Z₁. As the resistive component of Z₁ is also to be compensated, this circuit is somewhat more complicated. Here, Z₂ is a variable ohmic resistance, Z₃ is a fixed ohmic resistance and Z₄ is a parallel connection consisting of a capacitive reactance and a variable ohmic resistor. For the purely inductive component, the following applies with respect to zero compensation:

Components of equipment sets

2	57681 4	Plug-in board safety socket, 20/10
1	57732 4	Resistor 100 Ohm, STE 2/19
2	57793 4	Potentiometer, 1 kΩ, 10-turn, STE 4/50
1	57816 4	Capacitor, 4.7 µF, bipol., STE 2/19
1	59083 4	Coil 500 turns STE 2/50
1	59084 8	Coil 1000 turns STE 2/50
1	575302	Oscilloscope 30 MHz, digital, PT1265
1	57524 4	Screened cable, BNC/4 mm Plug
1	522621 4	Function generator S 12
1	50148 4	Bridging plugs STE 2/19, set of 10
1	500621 4	Safety experiment cable, 50 cm, red
1	500622 4	Safety experiment cable, 50 cm, blue

Experiment Instructions

PDF (Experiment description)

P3.6.4.2 Determining inductive reactance with a Maxwell measuring bridge

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Determining inductive reactance with a Maxwell measuring bridge

Description

Components of equipment sets

Experiment Instructions

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