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10 questions
Which of the following are conductors?
copper
rubber
wood
graphite
What breaks and completes a circuit?
Bulb
Electric cell
Wire
Switch
Air is a/an ____________ of electricity.
The coloured plastic covering on an electric wire makes it ________________.
long lasting
more attractive
resistant to corrosion
safe to touch
When electricity passes through a bulb, it gives off ___________ and ______________.
sound
light
electricity
heat
What is a fuse?
A safety device in the circuit.
The part which lights up in a bulb when the bulb is switched on.
The negative terminal of an electric cell.
The positive terminal of a bulb.
What is the name of this device?
fuse
bulb
resistor
electric cell
Which of the following can be used to replace a switch in an electric circuit?
Safety pin
Paper clip
a piece of wood
a plastic pen
The filament of an electric bulb is a thin line made up of _____________________.
copper
aluminium
tungsten
nichrome
A bulb has __________________ terminals.
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