15 questions
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
1. Which switch or switches must be closed to make the lamps light?
Only switch 1
Only switch 1
Switches 1 and 2
Switches 1 , 2 and 3
Which of the following materials is an electrical conductor?
Silver spoon
Silver-colored plastic spoon
cooper spoon
wooden spoon