a-death         b- electric overload       c-electric fires    d-electric burns

e- all previous answers       f- a and d

 

2-----------is used to prevent air from reaching the filament.

a-Base of bulb         b- glass bulb

    c- no correct answer

 

3-plugging more than one electric machine in the same socket leads to 

a-electric overload     b-electric shock    c- electric burns     d- all answers

 

4-operating more than one machine from the same socket causes an 

a-electric fire     b- electric burns    c- electric shock

 

5-which of the following gases is found in the fluorescent lamp but not in the light bulb?

a-       Neon          b-mercury vaper     c- argon 

 

 

-6---------occurs when placing flammable materials near electric machines that generate heat

a-Electric shock           b-electric burns      c-    electric fires

 

7-in the series connection the electric current will flow through  

a-       One path         b- 2 paths         c- several paths

 

8-When connecting the light bulb in parallel with many bulbs the light intensity

a-       Decrease        b- increase          c- remains as it is

 

 9- when lamps are connected in parallel the electric current will have 

a-       One route                                b- two route         c- branched routes