Welcome to practical physicsPracticle physics - practical activities designed for use in the classroom with 11 to 19 year olds

Model rail section

To make the model rail section you need 
Straight section of OO/HO Peco rail track, about 15 cm long (model shop) 
4 mm sockets (red) (2) (JPR 705-205) 
4 mm sockets (black) (2) (JPR 705-206) 
Terminal strip (2 sections of ) (JPR 710-448) 
Resistor, 2.2 Ω, 7 W (Maplin L2R2) 
Plywood or similar, 15 cm x 15 cm (DIY store) 
Wood battening, 2 pieces approx 3.5 cm x 2 cm x 15 cm 
Connecting wire 
Panel pins 
Nut and bolt
Construct model as shown in the diagram.

How to make a model rail section

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