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العلوم الصف السادس الابتدائى الترم الثانى

--------stay longer than the o r dinary electric bulbs

1    
both
2    
Fluo r escent lamp
3    
Combined fluo r esces lamp
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---------------is the type of the base of light bulb which has two pieces of lead

1    
spiral base
2    
circular base
3    
two side nails base
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Electric circuit consists of ---------------------

1    
Lamp
2    
Better
3    
Electric wires
4    
All the above
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--------indicate the passage of electric current

1    
Electric wire
2    
Lamp
3    
Battery
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Deco r ative lamps are connected-----------------------

1    
In parallel connection
2    
Both
3    
In series connection
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Electric circuit is------------------

1    
Disintegrated path through witch electric current passes
2    
Closed path through witch electric current passes
3    
Open path through witch electric current passes
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Electric circuit is------------------

1    
Disintegrated path through witch electric current passes
2    
Closed path through witch electric current passes
3    
Open path through witch electric current passes
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The fluo r escent lamp known as-----------------------lamp

1    
Nitrogen
2    
Argon
3    
Neon
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--------is the way in which the light bulbs are connected one after another in one route

1    
Parallel connection
2    
Series connection
3    
Both
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the properties of electric lamps is-----------

1    
associated with vapo r
2    
have special o r der
3    
free fr om smoke
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