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WorksheetsElectric lamp
Total questions: 16
Worksheet time: 8mins
when we connect more than one bulb in series to an electric source the light intensity of the bulbs
decreases
increases
doesn`t change
when we unscrew a bulb from those that are connected in series ,.........
all lamp will be turned off
all lamps will still lighting
the unscrewed lamp only will be turned off
electric lamp and battery are only required for a simple electric circuit
true
false
while connecting the lamps in a parallel, the lamps are connected one after another.
true
false
What is the name of the lamp?
Bulb
Fluorescent
Electric saver
In this type of connection, the light intensity.......
Increase
Decrease
Remain as it
The filament of electric bulb is made of.....
Iron
Lead
Tungestin
What is the name of the lamp?
Bulb
Fluorescent
Electric saver
The.......... is used to connect lamp to electricity
Base
Two point of connection
Filament
What's is the type of connection in the figure
Series
Parallel
All devices in homes connected in......
The Glass is filled with.......... gas
Argon
Neon
Nitrogen
Oxygen
ALL The following gasses are used in electric lamp expect
Argon gas
O2
Mercury vapor
A&C
Spiral base has a peace of lead
T
F
The sun is from artificial sources
F
T
The electric lamps convert electric energy to .......................... energy
kinetic
sound
light
magnetic
