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WorksheetsLight bulb
Total questions: 19
Worksheet time: 10mins
Which type of bulb contains mercury?
LED
Incandescent
Fluorescent or CFL
Which type of bulb produces the most heat?
LED
Incandescent
Fluorescent or CFL
Which type of bulb is the most recent development?
LED
Incandescent
Fluorescent (CFL)
Which type of bulb produces the least heat?
LED
Incandescent
Fluorescent or CFL
Which type of bulb is the oldest style of bulb?
LED
Incandescent
Fluorescent or CFL
Thomas Edison was the first one who tried to invent the light bulb.
True
False
Why won't the bell or lamp work?
They are in a loop
They are connected to only one side of the battery
There are no battery
The wire/circuit is broken
What makes up an electric circuit?
Bulb and battery
Bulb, battery and switch
Bulb, battery and wire
Why is a battery important in an electrical circuit?
As a source of energy.
As a path for electricity to flow through.
As a connector to connect all parts of a circuit.
Why is tungsten used as a filament in electric bulbs?
It is non luminous
It is a soft metal
It has a high melting point
It has a low melting point
Why is a switch used in a circuit?
To complete or break a circuit
To save energy
To prevent electric shocks
To make the bulb glow easily
The bulb in a circuit glows when electric current
flows through the glass covering
flows through its filament
stops flowing to the bulb
flows into the air through the bulb
What is the name of the lamp?
Bulb
Fluorescent
Electric saver
What is the name of the lamp?
Bulb
Fluorescent
Electric saver
What is the name of the lamp?
Bulb
Fluorescent
Electric saver
The filament of electric bulb is made of.....
Iron
Lead
Tungestin
Which lamp save electricity?
The Glass is filled with.......... gas
Argon
Neon
Nitrogen
Oxygen
