Recording the current-voltage characteristic of a varistor

VP4.1.2.2
Recording the current-voltage characteristic of a varistor
Recording the current-voltage characteristic of a varistor

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Description

The experiment P4.1.2.2 records the current-voltage characteristic of a varistor (VDR voltage dependent resistor). Its characteristic is non-linear in its operating range. At higher currents, it enters the so-called “rise range", in which the ohmic component of the total resistance increases.

Components of equipment sets

1 57800  4  VDR resistor, STE 2/19 LD
1 57681  4  Plug-in board safety socket, 20/10 LD
1 521546  4  DC Power Supply 0...16 V/0...5 A LD
2 531120 Multimeter LDanalog 20 LD
2 500621  4  Safety experiment cable, 50 cm, red LD
2 500622  4  Safety experiment cable, 50 cm, blue LD
1 500642  4  Safety experiment cable, 100 cm, blue LD
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