Is there any connection between the wires at the point of intersection ghh
the point of intersection.How does the bulb blows off when the switch is closed? (see attachment)

 

If the switch is closed the battery will catch on fire, as you have a dead short.

The AAC book covers this,

http://www.allaboutcircuits.com/vol_5/chpt_9/1.html

The convention I use on my schematics is slightly different.

BTW, this is the wrong area for this kind of question. It should be in the electronics chat forum.

 

Hello Bill,

It is moved.

@shycyjoseph : it is better to use .png format to post the pictures.
.doc will need a wordprocessor to show the picture.

Greetings,
Bertus