Case based question:
 
Ravi wants to filament light a bulb using a simple electric circuit. He has the following items:
Answer variants:
wire.svg
battsym8.svg
bulbsym231.svg
scale.PNG
switchclosesym4w351w351.png
torch.jpg
Ravi might need the following components to build an electric circuit.
 
1.
2.
3.
4.