Guess The Word
Quiz 1
Quiz 2
Quiz 3
Quiz 4
Quiz 5
Quiz 4
1.
Why do electrical appliances have an
EARTH
connection?
To allow electricity to flow safely to the ground if a fault develops
To complete the circuit so that the appliance works
To allow the electricity to return to the power station through the ground
2.
Which of the following domestic electrical appliances needs the highest electric
current
to make it work properly?
An electric kettle
A refrigerator
A bedside light
3.
Which one of the following domestic electrical appliances is the most expensive to use for an hour?
A tumble dryer
A home computer
A telephone battery charger
4.
A
fuse
is a safety device added to a plug to cut off the supply of electricity if a fault develops. In which wire is it connected?
Earth
Live
Neutral
5.
Electricity is generated at a power station at 11,000
volts
then changed to 400,000 and 275,000
volts
for sending around the country through the cables attached to pylons. What is the name of the device that changes the
voltage
?
Transformer
Transistor
Resistor
6.
Why is a high
voltage
needed to send electricity around the country through the cables attached to pylons?
To make the cables buzz so that people know they are there
Because it is more efficient so that less electricity is wasted
To make sure that it is too dangerous for people to go near them
7.
What is the name of the meter used for measuring electric
current
?
Ammeter
Voltmeter
Joulemeter
8.
When was the first working wind powered electricity generator used?
1919
1941
1973
9.
Which American tried to claim the credit for the invention of the first useable electric light bulb?
Michael Faraday
Isaac Newton
Thomas Edison
10.
Who used electricity to produce the first ever useable frozen vegetables in 1930?
Clarence Birdseye
Arthur Findus
Hubert Walls
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