my electric circuits!!

1 This is a circuit which consists of a pusher, a buzzer and an electric battery.

2 This is a very simple circuit which consists of a switch, three light bulbs and an electric battery.

3 This circuit can´t work because it isn´t fully conected.

4 This circuit didn´t work because the fuse has broken due to the overtension.

5 This circuit works although the fact of having a fuse.

6 This is a very complex circuit with light bulbs, switches, a buzzer, a cell and an electric battery.

7 This simple circuit has a buzzer.