3B Scientific Set of Conductors and Non-Conductors - Manual (Page 2)

Elwe Didactic GmbH • Steinfelsstr. 6 • 08248 Klingenthal • Germany • www.elwedidactic.com
3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com
Subject to technical amendments
© Copyright 2008 3B Scientific GmbH
3. Technical data
Length of samples: 200 mm approx.
Total weight: 200 g approx.
4. Operation
To carry out the experiments the following
additional equipment is needed:
2 Contact stands U8497740
1 Single-throw switch U8495920
1 Transformer with rectifier (230 V, 50/60 Hz)
U33300-230
or
1 Transformer with rectifier (115 V, 50/60 Hz)
U33300-115
1 E14 lamp socket U8495320
1 Filament lamp 12 V, 25 W, type E14 as sold for
domestic use
Experiment leads
• Set up the circuit as shown in Fig. 1.
• Connect each of the samples in turn in the
contact stands.
• Complete the circuit by closing the switch and
observe which of the materials cause the lamp
to light and which do not.
• Summarise the results in a table.
Fig.1 Circuit diagram