Ohm's law

LP3.3.3.1

Ohm's law

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Description

In this experiment the students explore Ohm's law. In the first part of the experiment they examine a 100 Ω fixed resistor and in the second part of the experiment the resistance of a constantan resistance wire. In the first part of the experiment, they find that the voltage is proportional to the current for an ohmic resistance. In the second part of the experiment, they realise that a wire, such as the constantant resistance wire, behaves like an ohmic resistance.

Components of equipment sets

1	57681 4	Plug-in board safety socket, 20/10
1	50148 4	Bridging plugs STE 2/19, set of 10
1	56718 4	Wrapping plate for wires
2	579331 4	Plug-in holder STE
1	57913 8	Toggle switch STE 2/19
1	57732 4	Resistor 100 Ohm, STE 2/19
2	500621 4	Safety experiment cable, 50 cm, red
2	500622 4	Safety experiment cable, 50 cm, blue
1	500621 4	Safety experiment cable, 50 cm, red
1	500622 4	Safety experiment cable, 50 cm, blue
1	55040 4	Constantan resistance wire, 0.2 mm diameter, 100 m
2	531120	Multimeter LDanalog 20
1	521488	AC/DC power supply 0...12 V/3 A

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Ohm's law

Description

Components of equipment sets

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